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Mary O'Brien (Brereton)

Birthdate:
Death: April 1640
Immediate Family:

Daughter of William Brereton, 1st Baron Brereton of Leighlin and Margaret Brereton
Wife of Henry O'Brien, 5th Earl of Thomond
Mother of Elizabeth Gerard; Anne O'Brien; Mary Cokayne and Honora Howard
Sister of Sir John Brereton, Kt. and Sir William Brereton

Managed by: Woodman Mark Lowes Dickinson, OBE
Last Updated:

About Mary O'Brien

  • Mary Brereton1
  • F, #33081, b. 28 December 1580, d. April 1640
  • Last Edited=22 Oct 2012
  • Mary Brereton was baptised on 28 December 1580. She was the daughter of William Brereton, 1st Baron Brereton of Leighlin and Margaret Savage.2 She married Henry O'Brien, 4th Earl of Thomond, son of Donough O'Brien, 3rd Earl of Thomond and Lady Elizabeth FitzGerald, on 13 July 1608 at Brereton, Cheshire, England.3 She died in April 1640 at age 59.
  • Her married name became O'Brien. As a result of her marriage, Mary Brereton was styled as Countess of Thomond on 5 September 1624.
  • Children of Mary Brereton and Henry O'Brien, 4th Earl of Thomond
    • 1.Lady Margaret O'Brien1 d. c 26 Jul 1681
    • 2.Lady Mary O'Brien+3 d. 1686
    • 3.Lady Elizabeth O'Brien3 d. bt 9 Apr 1656 - 30 Jun 1659
    • 4.Lady Anne O'Brien+2 d. c 13 Sep 1644
    • 5.Lady Honora O'Brien4
  • Citations
  • 1.[S6] G.E. Cokayne; with Vicary Gibbs, H.A. Doubleday, Geoffrey H. White, Duncan Warrand and Lord Howard de Walden, editors, The Complete Peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, Extant, Extinct or Dormant, new ed., 13 volumes in 14 (1910-1959; reprint in 6 volumes, Gloucester, U.K.: Alan Sutton Publishing, 2000), volume XII/2, page 862. Hereinafter cited as The Complete Peerage.
  • 2.[S37] BP2003 See link for full details for this source. Hereinafter cited as. [S37]
  • 3.[S37] BP2003. [S37]
  • 4.[S6] Cokayne, and others, The Complete Peerage, volume XII/2, page 492.
  • From: http://www.thepeerage.com/p3309.htm#i33082 _______________________
  • William BRERETON of Leighlin (1st B. Brereton)
  • Born: 1550
  • Died: 1631
  • Father: William BRERETON
  • Mother: Jane WARBURTON
  • Married: Margaret SAVAGE 24 Jan 1561/62 England
  • Children:
    • 1. Mary BRERETON (m. Henry O'Brien, 5° E. Thomond)
    • 2. Son BRERETON
    • 3. Dau. BRERETON
    • 4. Dau. BRERETON
    • 5. Dau. BRERETON
    • 6. Son BRERETON
    • 7. Son BRERETON
    • 8. Son BRERETON
  • From: http://www.tudorplace.com.ar/Bios/WilliamBrereton.htm
  • The details in this biography come from the History of Parliament, a biographical dictionary of Members of the House of Commons. ______________________
  • Edward SOMERSET (2° M. Worcester)
  • Born: BEF 9 Mar 1603, Raglan Castle
  • Died: 3 Apr 1667, Worcester House
  • Buried: Raglan
  • Notes: Sent on a secret political mission to Ireland by Charles I. He also left behind a literary work entitled "A century of the names and scantlings of such inventions as at present I can call to mind to have tried and perfected which (my former notes being lost) I have, at the instance of a powerful friend, endeavored now, in the year 1655, to set these down in such a way, as may sufficiently instruct me to put any of them to practice". In this work the power and applications of the steam engine is clearly described.
  • Father: Henry SOMERSET (1º M. Worcester)
  • Mother: Anne RUSSELL (C. Worcester)
  • Married: Elizabeth DORMER 1628
  • Children:
    • 1. Henry SOMERSET (1° D. Beaufort)
    • 2. Anne SOMERSET (D. Norfolk)
    • 3. Elizabeth SOMERSET (M. Powis) (b. ABT 1634 - d. 11 May 1691, St.Germain-en-Laye - bur. St.Germain-en-Laye) (m. William Herbert, 1° M. Powis, Jul 1654 London)
  • Married 2: Margaret O'BRIEN (M. Worcester) (d. ABT 26 Jul 1681) (dau. of Henry O'Brien, 5th Earl of Thomond and Mary Brereton) Aug 1639
    • 4. Mary SOMERSET
  • From: http://www.tudorplace.com.ar/SOMERSET.htm#Edward SOMERSET (2° M. Worcester) ________________________
  • William Brereton, 1st Baron Brereton (1550 – 1 October 1631) was an English politician who sat in the House of Commons at various times between 1597 and 1622. He was created a peer in the Peerage of Ireland in 1624 as Baron Brereton.
  • Brereton was the son of Sir William Brereton of Brereton, Cheshire and was baptised on 6 February 1550. He was about nine when his father died in 1559 and he succeeded to the extensive family estates. He was educated at Oxford University and was awarded BA in 1568. He was admitted at Lincoln's Inn in 1569. From 1573 he was JP for Cheshire and was High Sheriff of Cheshire from 1581 to 1582. In 1586 he built a mansion at Brereton which was similar to Rocksavage, the house of his father-in-law Sir John Savage. He was knighted in 1588. He was commissioner for musters in 1595 and in 1596.[1]
  • In 1597, Brereton was elected Member of Parliament for Cheshire. He was elected MP for Cheshire again in 1614 and in 1621.[1] He had an estate near Old Leighlin, for which he and his heirs were absentee landlords. He was created Baron Brereton of Leighlin in the County of Carlow on 11 May 1624.[2] Brereton died at the age of about 80 and was buried at Brereton.[1]
  • Brereton married Margaret Savage, daughter of Sir John Savage of Rocksavage, Cheshire. They had four sons and four daughters.[1] Most of them died young two who survived to marry were:
    • Mary, on 18 July 1608 married Henry, Lord Inchiquin (died 1645), son of Dermod O'Brien, 5th Baron Inchiquin
    • John (Sir), of Brereton (born 25 March, 1591), heir apparent, married Anne, daughter of Sir Edward Fitton of Gawsworth, and dying in the lifetime of his father, left by her (who married secondly, Sir Gilbert Gerard), three sons and two daughters:[2]
      • William (1611–1664), successor to his grandfather as 2nd baron.
      • John (1624 – 22 October, 1656)
      • Edward.
      • Mary, married Sir Michael Hutchinson
      • Jane (died 1648) — the eventual heiress of the family — married, around 1646, Sir Robert Holte. Their son was Sir Charles Holte.
  • From: http://en.wikipedia.org/wiki/William_Brereton,_1st_Baron_Brereton _______________________
  • Henry O'Brien, 5th Earl of Thomond (1588 – 26 July 1639) was an Irish peer, styled Lord Ibrickane until 1624.
  • O'Brien was the son of Donogh O'Brien, 4th Earl of Thomond and Elisabeth FitzGerald. He married Mary Brereton, daughter of William Brereton, 1st Baron Brereton and Margaret Savage, and together they had 5 daughters:
    • Lady Margaret O'Brien
    • Lady Mary O'Brien
    • Lady Elisabeth O'Brien
    • Lady Anne O'Brien
    • Lady Honora O'Brien
  • O'Brien died in 1639, and was succeeded in his peerages by his brother Barnabas O'Brien, 6th Earl of Thomond.
  • From: http://en.wikipedia.org/wiki/Henry_O%27Brien,_5th_Earl_of_Thomond _______________________
  • A genealogical history of the dormant, abeyant, forfeited, and extinct peerages of the British empire (1978)
  • https://archive.org/details/agenealogicalhi00burkgoog
  • https://archive.org/stream/agenealogicalhi00burkgoog#page/n94/mode/1up
  • Pg.74
    • BRERETON--BARON BRERETON.
  • RALPH DE BRERETON (son of William de Brereton, and grandson of William de Brereton,) was father (besides a 2nd son, Gilbert, and a dau., Isolda, wife of Gilbert de Stoke,) of an elder son and heir.
  • SIR WILLIAM BRERETON, of Brereton, Knt, living temp. JOHN and HENRY III., who m. Margery, dau. of Randle de Thornton, and had a son, RALPH, and a dau., wife of Thurstan de Smethwick. The former
  • SIR RALPH BRERETON, of Brereton, Knt, had two sons, WILLIAM (SIR), and Gilbert, father of Henry and Sibella, wife of William de Bouths. The elder son,
  • SIR WILLIAM BRERETON, of Brereton, Knt., m. the dau. of his guardian. Sir Richard de Sandbach, Knt., and was father of
  • SIR WILLIAM BRERETON, of Brereton, Knt., who m. Roesia, dau. of Ralph de Vernon, and had issue,
    • I. WILLIAM, m. Margery, dau. of Richard de Bosley, and d. in his father's lifetime, leaving issue,
      • 1 WILLIAM (SIR), of whom presently,
      • 2 John. .... etc.
    • II. John, .... etc.
  • Sir William was s. by his grandson,
  • SIR WILLIAM BRERETON, of Brereton, living 49th EDWARD III., who m. 1st, Ellen, dau. of Philip, and sister and finally heiress of David Egerton, of Egerton, and by her had a son and successor,
    • WILLIAM.
  • He m. 2ndly, Margaret, dau. of --- Done, of Utkinton, and widow of John Davenport, and by her had a son and two daus., .... etc.
  • The eldest son,
  • SIR WILLIAM BRERETON, of Brereton, m. 1st, in 1386, Angella, dau. of Hugh Venables, and by her had issue,
    • I. WILLIAM, d. before his father, having m. Alice, sister and heiress of Richard Corbett, of Leighton, and by her (who m. 2ndly, John Stretley, Esq.,) had issue,
      • 1 WILLIAM (SIR), successor to his grandfather,
      • 2 Ralph. .... etc.
    • II. Hugh. .... etc.
  • Sir William m. 2ndly, Elena, dau. of Sir William Massy, of Tatton, Knt., and by her, who m. 2ndly, Sir Gilbert Halsall, Knt., had a son,
    • Thomas, in holy orders, rector of Brereton, 1433.
  • Sir William d. 4th HENRY VI., and was c. by his grandson.
  • SIR WILLIAM BRERETON, of Brereton, Knt., who m. Philippa, dau. of Sir Hugh, and sister of Thomas Hulse, and had issue,
    • I. WILLIAM, m. Katherine, dau. of Sir John Byron, and d. s. p.
    • II. ANDREW (SIR), of whom presently.
    • III. John .... etc.
  • The eldest surviving son,
  • SIR ANDREW BRERETON, of Brereton, Knt., m. Agnes, dau. of Robert Legh, of Adlington, and had issue,
    • I. WILLIAM (SIR), his heir.
    • II. John .... etc.
  • The eldest son and heir,
  • SIR WILLIAM BRERETON, of Brereton, Knt.; chief justice and lord high marshal of Ireland, m. 1st, Alice, dau. of Sir John Savage, Knt., of Clifton, and by her had a son,
    • I. WILLIAM, who m. Anne, dau. of Sir William Booth, of Dunham, and predeceasing his father, left issue,
      • 1 WILLIAM (SIR), successor to his grandfather.
      • 2 Andrew, .... etc.
  • The chief justice m. 2ndly, Eleanor, dau. of Sir Ralph Brereton, of Ipstones, co. Stafford, and widow of --- Egerton, and by her had issue,
    • I. John .... etc.
  • Sir William, who was buried at Kilkenny, in Ireland, 4 February, 1541, was s. by his grandson,
  • SIR WILLIAM BRERETON, Knt., of Brereton, who m. Jane,
  • https://archive.org/stream/agenealogicalhi00burkgoog#page/n95/mode/1up
  • Pg.75
  • eldest dau. of Sir Peter Warburton, by Elizabeth Wynynton, his wife, and by her (who m. 2ndly, Sir Lawrence Smith, of Hough), had issue,
    • I. WILLIAM (SIR), his heir.
    • I. Mary. .... etc.
  • Sir William, who was buried at Brereton, 4 September, 1559, was s. by his son,
  • SIR WILLIAM BRERETON, of Brereton, Knt., bapt. 6 February, 1550, who built the Hall of Brereton in 1586, and was created Baron Brereton, of Leighlin, co. Carlow, 11 May, 1624. His lordship m. Margaret, dau. of Sir John Savage, Knt., by Elizabeth his wife, dau. of the Earl of Rutland, and by her (who d. 7 April, 1597,) had issue, besides other children, who d. young,
    • I. John (Sir), of Brereton, b. 25 March, 1591, m. Anne. Dau. of Sir Edward Fitton, of awsworth, and dying in the lifetime of his father, left by her (who m. 2ndly, Sir Gilbert Gerard, Knt.) three sons and two daus., viz.,
      • 1 WILLIAM, successor to his grandfather as 2nd baron.
      • 2 John, b. 1624, d. 22 October, 1656.
      • 3 Edward.
      • 1 Mary, wife of Sir Michael Hutchinson.
      • 2 JANE (eventual heiress of the family), m. about 1646, to Sir Robert Holte, Bart., and d. 1648, leaving a son,
        • SIR CHARLES HOLTE, Bart., who m. Anne, eldest dau. and co=heiress of sir John Cloberry, of Bradstone, co. Devon, and had with other issue, a son and successor,
          • SIR CLOBERRY HOLTE, Bart., .... etc.
    • I. Mary, m. 13 July, 1608, to Henry, Lord Inchiquin.
  • Lord Brereton d. in 1631, and was s. by his grandson,
  • WILLIAM BRERETON, 2nd Lord Brereton, b. 28 February 1611, who m. Elizabeth, dau. of George, Lord Goring, Earl of Norwich, and by her (who d. in 1687) had, besides five daus., Anne, Mary, Elizabeth, Jane, and Frances, of of whom d. unm., other issue, .... etc. ______________________________
  • Brereton, Baron (I, 1624 - 1722)
  • William [Brereton], 1st Baron Brereton
  • son and heir of Sir William Brereton, of Brereton Hall, co. Chester, by his wife Jane Warburton, dau. of Sir Peter Warburton, of Warburton, co. Chester (by his wife Elizabeth Winnington, dau. of Richard Winnington, of Winnington, co. Chester), son and heir of Sir John Warburton, of Warburton, co. Chester, by his wife Jane Stanley, dau. of Sir William Stanley KG, of Holt, Wrexham, Chamberlain to King Henry VII (by his second wife Elizabeth Hopton, dau. of Thomas Hopton, of Hopton), brother of Thomas [Stanley], 1st Earl of Derby, and 2nd son of Thomas [Stanley], 1st Baron Stanley
  • bapt. 6 Feb 1550
  • mar. Margaret Savage (b. 1549; d. 7 Apr 1597; bur. at Brereton, co. Chester), dau. of Sir John Savage, of Rocksavage, co. Chester, by his wife Lady Elizabeth Manners, 5th dau. by his second wife of Thomas [Manners], 1st Earl of Rutland
  • children
    • 1. Hon Sir John Brereton (dvp. 23 Dec 1629), mar. Anne Fitton (mar. (2) Sir Gilbert Gerard, Governor or Worcester), 5th dau. of Sir Edward Fitton, 1st Bt., of Gawsworth, co. Chester, by his wife Ann Barret, dau. and cohrss. of James Barret, of South Wales, and had issue:
      • 1a. William Brereton, later 2nd Baron Brereton
      • 2a. John Brereton (b. 1624; d. 22 Oct 1656)
      • 3a. Edward Brereton (d. unm.)
      • 1a. Mary Brereton, mar. (1) Sir Michael Hutchinson, and (2) 1643 as his first wife Sir Gilbert Gerard, 1st Bt., of Fiskerton, co. Lincoln, and Bratterton, co. York, and had issue by her second husband
      • 2a. Jane Brereton (d. 1648; bur. in St Clement Danes, co. Middlesex), mar. 23 May 1648 as his first wife Sir Robert Holte, 2nd Bt. MP, of Aston, co. Warwick, and had issue
    • 2. Hon Mary Brereton (bapt. 28 Dec 1580; dspm. betw. 21 Apr and 2 May 1640), mar. 13 Jul 1608 Henry [O'Brien], 4th Earl of Thomond, and had issue
  • died 1 Oct 1631 (bur. at Brereton, co. Chester)
  • created 11 May 1624 Baron Brereton, of Laghlin in the County of Carlow
  • suc. by grandson
  • note built "the Hall" at Brereton about 1586; knighted at Flushing by the Earl of Leicester 1588
  • William [Brereton], 2nd Baron Brereton
  • born 28 Feb 1611
  • mar. Lady Elizabeth Goring (bur. at Brereton, co. Chester, 5 Dec 1687), 1st dau. of George [Goring], 1st Earl of Norwich, by his wife Hon Mary Nevill, 2nd dau. of Edward [Nevill], 8th or 1st Baron Bergavenny
  • children .... etc.
  • From: http://www.cracroftspeerage.co.uk/online/ - SEARCH BRERETON __________________________
  • Thomond, Earl of (I, 1543 - 1552 & 1552 - 1741)
  • Donough [O'Brien], 3rd Earl of Thomond, PC
  • born
  • mar. (1) aft. Sep 1577 Hon Helen Roche (dspm. 1583; bur. in Ennis Abbey), 1st dau. of Maurice [Roche], 1st Viscount Fermoy, by his first wife Eleanor FitzGerald, 1st dau. of Maurice FitzJohn FitzGerald, Lord of Kerricurrihy (by his wife Sile O'Mulrian, dau. of Diarmid O'Mulrian, of Sulloghode, co. Tipperary), brother of James FitzJohn [FitzGerald], 13th Earl of Desmond
  • only child by first wife
    • 1. Lady Margaret O'Brien (d. bef. c. 1599), mar. c. 1590 as his first wife Charles/Cormac Oge [McCarthy], 1st Viscount Muskerry, and had issue
  • mar. (2) aft. 6 Nov 1585 Lady Elizabeth FitzGerald (d. 12 Jan 1617), dau. of Gerald [FitzGerald], 11th Earl of Kildare, by his wife Mabel Browne, sister of Anthony [Browne], 1st Viscount Montagu, and 2nd dau. of Sir Anthony Browne KG, Master of the Horse
  • children by second wife
    • 1. Hon Henry O'Brien, later 4th Baron Ibrackan later 4th Earl of Thomond
    • 2. Hon Barnabas O'Brien, later 5th Earl of Thomond
  • died 5 Sep 1624 (bur. in Limerick Cathedral)
  • suc. by son by second wife
  • note called "The Great Earl"; like his father continued to support successive Lords Deputy and the Earl of Ormond, and took a prominent part in the campaign against the Irish "rebels" and in the pacification of Ireland; Member of the Council of Connaught and Thomond 1588, and of Munster 1599; granted a pension of £200 for life by Queen Elizabeth I 1589; Commander under Sir Thomas Norris of the forces in Munster 1598; Col of a Regiment of Foot 1599; Governor of co. Clare and of Thomond 1599 and re-appointed by King James I 1603; Privy Councillor [I] 1603; Constable (with his second son, Barnabas) of Carlow Castle 1604; Commissioner for the President of Munster 1607 and for the Plantation of Ulster 1610; President of Munster 1615-24
  • Henry [O'Brien], 4th Baron Ibrackan later 4th Earl of Thomond, PC
  • born c. 1588
  • mar. 13 Jul 1608 Hon Mary Brereton (bapt. 28 Dec 1580; dspm. betw. 21 Apr and 2 May 1640), only dau. of William [Brereton], 1st Baron Brereton, by his wife Margaret Savage, dau. of Sir John Savage, of Rocksavage, co. Chester, by his wife Lady Elizabeth Manners, 5th dau. by his second wife of Thomas [Manners], 1st Earl of Rutland
  • children
    • 1. Lady Mary O'Brien (bur. with her first husband 31 May 1686 in St Peter's Church, Rushton, co. Northampton), mar. (1) Charles [Cokayne], 1st Viscount Cullen, and (2) as his first wife George Blount, of Sodington, co. Worcester, and had issue by her first husband
    • 2. Lady Margaret O'Brien (dsps. 26 Jul 1681), mar. (1) 1639 as his second wife Edward [Somerset], 2nd Marquess of Worcester, and (2) Donagh O'Kearney, and had issue by her first husband
    • 3. Lady Elizabeth O'Brien (d. betw. 9 Apr 1656 and 30 Jun 1659), mar. (1) 21 Aug 1636 as his second wife Dutton [Gerard], 3rd Baron Gerard, and (2) Philip [Wenman], 3rd Viscount Wenman, and had issue by her first husband
    • 4. Lady Anne O'Brien (bur. 16 Sep 1644 at Great Billing, co. Northampton), mar. 1641 as his first wife her cousin Henry [O'Brien], 6th Earl of Thomond, and had issue
    • 5. Lady Honora O'Brien, mar. (1) 2 Mar 1656/7 Sir Francis Englefield, 3rd Bt., of Wootton Basset, co. Wiltshire, and (2) Hon Sir Robert Howard KB, of Vasterne, co. Wiltshire, Auditor of the Exchequer, 6th son of Thomas [Howard, 1st Earl of Berkshire, by his wife Lady Elizabeth Cecil, 1st dau. and cohrss. by his second wife of William [Cecil], 2nd Earl of Exeter, and had issue by her second husband
  • died s.p.m. bef. 22 Apr 1639 (bur. in Limerick Cathedral)
  • suc by brother
  • note summ. vp. to Parliament May 1615 in his father's Barony of Ibrackan; Commissioner for a General Visitation of Ireland 1615; Governor of co. Clare and Thomond in succession to his father 1615/6-39; Commissioner for the President of Munster in his father's absence 1618 and on his death 1624-25; Privy Councillor [I]; a supporter of Strafford
  • Barnabas [O'Brien], 5th Earl of Thomond, PC
  • born c. 1590
  • mar. 17 Jul 1615 Mary Crichton (bapt. 12 Mar 1591/2; widow of Robert [Crichton], 8th Lord Crichton of Sanquhar; bur. 13 Apr 1675 at Great Billing, co. Northampton), yst. dau. of Sir George Fermor, of Easton Neston, co. Northampton, by his wife Mary Curzon, dau. of Thomas Curzon, of Addington, co. Buckingham
  • children
    • 1. Hon Henry O'Brien, later 6th Earl of Thomond
    • 1. Lady Penelope O'Brien, Groom of the Stole to the Queen Consort 1685-88 (b. c. 1622; d. 18 Apr 1702; bur. at Turvey, co. Bedford), mar. c. Dec 1644 Henry [Mordaunt], 2nd Earl of Peterborough, and had issue
  • bur. 15 Nov 1657 at Great Billing, co. Northampton
  • created 3 May 1645 under the Privy Seal Marquess of Billing, co. Northampton, but the patent never passed the Great Seal and he therefore did not assume the title
  • suc. by son
  • note Constable (with his father) of Carlow Castle 1604; Member of Parliament for Coleraine 1613 and for Carlow and for Ennis 1634; knighted 1615; Capt of a company of Foot bef. 1617; Privy Councillor [I] and Governor of co. Clare and Thomond 1639; he took no part in the Rebellion of 1641, and, although loyal to the King supporting Ormonde as Lord Lieutenant, he endeavoured to remain neutral between the forces of the Confederate Catholics and those of the Scottish Covenanters and the English Parliament; he declared for Parliament 1646, surrendered Bunratty Castle, and went to live in England where he purchased the Manor of Billing, co. Northampton
  • Henry [O'Brien], 6th Earl of Thomond, PC
  • born c. 1620
  • mar. (1) 1641 his cousin Lady Anne O'Brien (bur. 16 Sep 1644 at Great Billing, co. Northampton), 4th dau. and cohrss. of his uncle Henry [O'Brien], 4th Earl of Thomond, by his wife Hon Mary Brereton, only dau. of William [Brereton], 1st Baron Brereton
  • children by first wife
    • 1. Hon Henry O'Brien, styled Lord O'Brien or Lord Ibrackan, Member of Parliament [I] for co. Clare 1661-66, Member of Parliament [E] for Northampton 1670-78, Capt of a company of Foot in Ireland 1668, slightly wounded at the Battle of Solebay 1672 while serving as a volunteer on HMS Victory under the Earl of Ossory, Privy Councillor [I] 1673, joint Surveyor and Receiver of Fines of the Courts 1677 and of part of the Greenwax fines 1678, Col of a Regiment of Foot 1677/8, accompanied the Duke of Monmouth to Flanders 1678 (dvp. 1 Sep 1678; bur. in Westminster Abbey), mar. 1661 Lady Katherine Stuart, suo jure Baroness Clifton of Leighton Bromswold, only sister and hrss. of Charles [Stuart], 6th Duke of Lennox, and only dau. of Lord George Stuart, 9th Seigneur d'Aubigny, by his wife Lady Katherine Howard, 1st dau. of Theophilus [Howard], 2nd Earl of Suffolk, and had issue:
      • 1a. Hon Donough O'Brien, styled Lord O'Brien (bapt. 16 Sep 1663; dsp. 9 May 1682 in the wreck of the Gloucester while attending James, Duke of York, to Scotland), mar. 26 May 1679 Lady Sophia Osborne (mar. (2) as his third wife William [Fermor], 1st Baron Leominster; d. 8 Dec 1746; bur .at Eaton Neston, co. Northampton), 6th dau. of Thomas [Osborne], 1st Duke of Leeds, by his wife Lady Bridget Bertie, 2nd dau. by his first wife of Montagu [Bertie], 2nd Earl of Lindsey
      • 2a. Hon Henry O'Brien (bapt. 5 May 1665; bur. vp. 9 May 1665 at Great Billing, co. Northampton)
      • 3a. Hon Charles O'Brien (bapt. 8 Sep 1666; bur. vp. 24 Sep 1666 at Great Billing, co. Northampton)
      • 4a. Hon George O'Brien (dvp. an infant)
      • 1a. Hon Mary O'Brien (b. 7 May 1662; dsps. 24 Nov 1683; bur. in Westminster Abbey), mar. as his first wife John [FitzGerald], 18th Earl of Kildare, and had issue
      • 2a. Hon Katherine O'Brien, later suo jure Baroness Clifton of Leighton Bromsgrove
    • 1. Lady ..... O'Brien
    • 2. Lady .... O'Brien
  • mar. (2) 1660 Sarah Reynolds (bapt. 19 Sep 1639; widow of Sir John Reynolds, Commander-in-Chief in Flanders; bur. 16 Nov 1715 at Great Billing, co. Northampton), 3rd dau. of Sir Francis Russell, 2nd Bt., of Chippenham, co. Cambridge, by his wife Catherine Wheatley, dau. and hrss. of John Wheatley, of Catsfield, co. Sussex
  • children by second wife
    • 2. Hon Henry O'Brien (dvp. an infant)
    • 3. Hon Henry Horatio O'Brien, styled Lord O'Brien, a supporter of the Prince of Orange (b. c. 1670; dvp. 10 Jul 1690; bur. at Great Billing, co. Northampton), mar. 24 Jun 1686 Lady Henrietta Somerset (b. c. 1669; mar. (2) bef. 1 May 1705 as his second wife Henry [Howard], 6th Earl of Suffolk; d. 10 Aug 1715; bur. at Saffron Walden, co. Essex), 3rd dau. of Henry [Somerset], 1st Duke of Beaufort, by his wife Hon Mary Seymour, widow of Lord Henry Seymour, styled Lord Beauchamp, and 1st dau. of Arthur [Capell], 1st Baron Capell, and had issue:
      • 1a. Hon Henry O'Brien, later 7th Earl of Thomond
      • 1a. Hon Mary O'Brien (d. unm. 30 Aug 1716)
    • 3. Lady Elizabeth O'Brien (dvp. 3 Jun 1688)
    • 4. Lady Auberie Anne Penelope O'Brien (d. 2 Dec 1703; bur. at Saffron Walden, co. Essex), mar. 6 Aug 1691 as his first wife Henry [Howard], 6th Earl of Suffolk, and had issue
    • 5. Lady Mary O'Brien (d. 9 Nov 1735), mar. Sir Matthew Dudley, 2nd Bt., of Clopton, co. Northampton, and had issue
  • died 2 May 1691 (bur. at Great Billing, co. Northampton)
  • suc. by grandson
  • note appeared before the Council of State after committal as a suspected person 1659; after the Restoration Governor of co. Clare and of Thomond 1660/1-70 and 1679; Privy Councillor [I] 1670-90
  • From: http://www.cracroftspeerage.co.uk/online/content/thomond1543.htm?zo... - SEARCH SITE FOR Brereton ________________________
  • Cullen, Viscount (I, 1642 - 1810)
  • Charles [Cokayne], 1st Viscount Cullen
  • 2nd but only surv. son and heir of Sir William Cokayne, of Rushton Hall, co. Northampton, and Elmesthorpe Manor, co. Leicester, Lord Mayor of London 1619-20, by his wife Mary Morris, dau. of Richard Morris, Master of the Ironmongers' Company
  • born 4 Jul 1602
  • mar. 24 Jun 1627 Lady Mary O'Brien (mar. (2) as his first wife George Blount, of Sodington, co. Worcester; bur. with her first husband 31 May 1686 in St Peter's Church, Rushton, co. Northampton), 1st dau. and cohrss. of Henry [O'Brien], 4th Earl of Thomond, by his wife Hon Mary Brereton, only dau. of William [Brereton], 1st Baron Brereton
  • children
    • 1. William Cokayne (dvp. an infant 1629/30)
    • 2. Hon Brien Cokayne, later 2nd Viscount Cullen
    • 3. Hon Charles Cokayne (dvp. an infant 1657)
    • 1. Hon Mary Cokayne (d. 1682), mar. Robert Pierson, of Bishop's Middleham, co. Durham, and had issue
  • bur. 19 Jun 1661 in St Peter's Church, Rushton, co. Northampton
  • created 11 Aug 1642 Baron and Viscount Cullen, of Co. Tipperary, with a special remainder, failing the heirs male of his body, to his nephews "Peregrine Bertie, Richard Bertie, Vere Bertie and Charles Bertie, four younger sons of Lord Willoughby de Eresby, and the heirs males of their bodies successively"
  • suc. by son
  • note Member of Parliament for Reigate 1628-29; Sheriff of Northamptonshire 1636, when he supported the raising of "ship money"; raised a troop of Horse for the King; with fines and sequestrations he was said to have lost over £50,000 in the King's cause; sold the manor of Coombe Nevill in Kingston-upon-Thames, co. Surrey, and other estates in order to recoup some of the costs
  • From: http://www.cracroftspeerage.co.uk/online/content/cullen1642.htm?zoo... - SEARCH SITE FOR Brereton ______________________
  • Berkshire, Earl of (E, 1625/6)
  • 6. Hon Sir Robert Howard KB, of Vasterne, co. Wiltshire, Auditor of the Exchequer, mar. Lady Honora Englefield, widow of Sir Francis Englefield, 3rd Bt., of Wootton Basset, co. Wiltshire, and 5th dau. and cohrss. of Henry [O'Brien], 4th Earl of Thomond, by his wife Hon Mary Brereton, only dau. of William [Brereton], 1st Baron Brereton, and had issue: .... etc.
  • From: http://www.cracroftspeerage.co.uk/online/content/berkshire1625.htm?... - SEARCH SITE FOR Brereton ____________________________
  • Worcester, Marquess of (E, 1642/3)
  • Edward [Somerset], 2nd Marquess of Worcester
  • born 1601
  • mar. (1) 1628 Elizabeth Dormer (d. 31 May 1635), only dau. of Hon Sir William Dormer (by his wife Alice Gilbert, widow of Sir John Gilbert, of Compton, co. Devon, and 4th dau. of Sir Richard Molyneux, 1st Bt., of Sefton, co. Lancaster), son and heir app. of Robert [Dormer], 1st Baron Dormer
  • children by first wife
    • 1. Lord Henry Somerset, later 3rd Marquess of Worcester later 1st Duke of Beaufort
    • 1. Lady Anne Somerset (b. Oct 1631; d. 1662), mar. bef. 21 Oct 1652 as his first wife Henry [Howard], 6th Duke of Norfolk, and had issue
    • 2. Lady Elizabeth Somerset, Lady of the Bedchamber, Governess of the King's Children 1688 (b. c.1633; d. 11 Mar 1690/1), mar. 2 Aug 1654 William [Herbert], 1st Marquess of Powis, and had issue
  • mar. (2) 1639 Lady Margaret O'Brien (mar. (2) Donagh O'Kearney; dsps. 26 Jul 1681), 2nd dau. and cohrss. of Henry [O'Brien], 4th Earl of Thomond, by his wife Hon Mary Brereton, only dau. of William [Brereton], 1st Baron Brereton
  • only child by second wife
    • 3. Lady Mary Somerset (dvp. young)
  • died 3 Apr 1667
  • suc. by son by first wife
  • note It is thought that sometime between 1643 and 1645 he was created Baron Beaufort, of Caldecot Castle in the County of Monmouth, and Earl of Glamorgan, with special remainder to his male issue by Lady Margaret O'Brien, his second wife, failing which to the heirs male of his body. The usual entries to this effect were made in the docquet books for April 1645, in the Signet Office and the Privy Seal Office. It does not appear, however, that the Letters Patent for this creation ever passed the Great Seal, though he was almost invariably styled by the King and others Earl of Glamorgan, until he succeeded his father as 2nd Marquess of Worcester in 1646. These titles were not used by his immediate successors but they were used on his Garter stall-plate by Henry [Somerset], 2nd Duke of Beaufort, and similarly used by the 5th, 6th, 7th and 8th Dukes. It is today thought to be a moot point whether these titles fully existed or not.
  • From: http://www.cracroftspeerage.co.uk/online/content/worcester1642.htm?... - SEARCH SITE FOR Brereton ___________________
  • Gerard, Baron (E, 1603 - 1733)
  • Dutton [Gerard], 3rd Baron Gerard
  • born 4 Mar 1613
  • mar. (1) after 18 May 1625 Lady Mary Fane (bapt. 3 Aug 1606; bur. 1634), 4th dau. of Francis [Fane], 1st Earl of Westmorland, by his wife Mary Mildmay, only surv. dau. and hrss. of Sir Anthony Mildmay, of Apethorpe, co. Northampton
  • children by first wife
    • 1. Hon Charles Gerard, later 4th Baron Gerard
    • 1. Hon Mary Gerard (dsps. 1714), mar. her cousin Sir Anthony Cope, 4th Bt. MP, of Hanwell, co. Oxford
  • mar. (2) 21 Aug 1636 Lady Elizabeth O'Brien (mar. (2) Philip [Wenman], 3rd Viscount Wenman; d. betw. 9 Apr 1656 and 30 Jun 1659), 3rd dau. and cohrss. of Henry [O'Brien], 4th Earl of Thomond, by his wife Hon Mary Brereton, only dau. of William [Brereton], 1st Baron Brereton
  • only child by second wife
    • 2. Hon Elizabeth Gerard, mar. Hon William Spencer, of Ashton, co. Lancaster, 3rd son of William [Spencer], 2nd Baron Spencer, by his wife Lady Penelope Wriothesley, 1st dau. of Henry [Wriothesley], 3rd Earl of Southampton, and had issue
  • died 22 Apr 1640
  • suc. by son by first wife
  • From: http://www.cracroftspeerage.co.uk/online/content/gerard1603.htm?zoo... - SEARCH SITE FOR Brereton ____________________
  • The history of the county palatine and city of Chester: .... Vol. III.
  • https://archive.org/details/historyofcountyp03orme
  • https://archive.org/stream/historyofcountyp03orme#page/52/mode/1up
    • BRERETON AND HOLT OF BRERETON. Pg.52-52 ____________________
  • Links
  • http://www.brereton.org/Cheshire%20January%202013.pdf - SOME DATES ARE NOT CORRECT IN THIS LISTING & CONNECTIONS VERY CONFUSING

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Mary O'Brien's Timeline