Gustavus Lambart

Gustavus LAMBART of Beau Park, Co Meath, was his father's heir after his elder brother Charles died in 1740 unmarried. His brother Oliver died young.

He married Thomasine Rochford in 1745 by Licence.

will probate 1783 Gustavus Lambart, Beaupark, Co Meath

A Genealogical and Heraldic Dictionary of the Landed Gentry of Ireland, Vol 1
By James Burke and Sir Bernard Burke pub 1850
" Lambart of Beau Parc
Lambart, Gustavus, Esq of Beau Park, Co Meath b. 16 Sept 1772...
Lineage
The Hon. Oliver Lambart, of Painstown, Co Meath, MP for Kilbeggan, third son of Charles, 1st Earl of Cavan, by Jane, his wife, younger sister of John, Earl of Radnor, died in 1700, leaving by Eleanor, his second wife, only child of Simon Creame, Esq, a son.
Charles Lambart, Esq of Painstown, MP for Kilbeggan, who married Elizabeth, only daughter of Gustavus Hamilton, Viscount Boyle, and had issue. 1. Charles, M.P. died 1740; 2. Gustavus, heir to his father; 3. Hamilton, Major-General in the Army.; 1. Elizabeth who married in 1754 to Nicholas Ogle, Esq, 2. Eleanor married to Thomas Elrington 3. Mary married to Christopher Nicholson, Esq of Balrath; 4. Sophia married to the Rev. Robert Gregory. Mr Lambart died in 1753, and was succeeded by his son,
Gustavus LAMBART, Esq of Beau Parc, Co Meath, M.P. for Kilbeggan, who married Thomasine, dau of George Rochford, Esq, of Rochford, so Westmeath and had a son and successor. Charles LAMBART who married Frances dau. of James Lennox Napier Dutton, of Sherbourne, Co Gloucestershire ...an only son Gustavus Lambart.

The Peerage of Ireland, Vol 1 by John Lodge 1754
p. 358-9" Oliver Lambart, Esq, the third son of Charles, Earl of Cavan, was seated at Painstown, County Meath...dying 13 December 1700 was there buried. He married four wives, but had issue only by the two former who were Catherine Bridges [issue] & Eleanor Creane whom he married in January 1677...by her he had one son Charles and seven daughters...Charles Lambart of Painstown, Esq, the only son who died in September 1753, was for many years Member of Parliament for Kilbeggan, married Elizabeth, only daughter of Gustavus Hamilton, Lord Viscount Boyne, by who he had 4 sons and six daughters; Charles born October 1703,...died unmarried December 1740, Oliver died young, Gustavus, Collecter of the Port of Wicklow, and in Feb 1746 made collector of the district of Trim....Hamilton Elizabeth married to Nicholas Ogle 16 Feb 1754, Eleanor married to Thomas Elrigington, Mary married to Christopher Nicholson of Balrath, County Meath, Sophia married to Rev. Robert Gregory, Amelia who died suddenly 28 Nov 1755 and Frances Arabella who died an infant."

• Burke, Bernard, Sir. A genealogical and heraldic history of the landed gentry of Great Britain & Ireland 6th ed. London : Harrison 1879. Vol II. page 922