Joane Walkie

• No contemporary record that i can find list a daughter Joan for Adam Loftus.
• all his known living daughters were mentioned in his will:

Will 1605 Adam Loftus, archbishop of Dublin. [5] Sir William Betham made an abstract of the will of Adam Loftus. [note: It contains all his confirmed daughters who would be living]

A transcript reads:

Adam Loftus Lord Chancellor & Archbp. Dublin (will) 8 Jan 1604; 2nd son Sir Thomas Loftus, Knt; son Sir Dudley L(oftus); whereas I have turned the great seals into their ?; Sir Adam Loftus, Knt, eldest son of my brother Robert L(oftus); daus Lady Martha Colclough, Lady Alis Warren; Lady Jane Barkley; Lady Anne Blayney; Dorothy Moore; Margt Colley; dau Isabel Loftus Usher; grandsons Adam Fitz Dudley, Nicholas (Fitz Dudley), William (Fitz Dudley), Edward (Fitz Dudley), Dudley (Fitz Dudley); [ from https://www.wikitree.com/wiki/Loftus-18]

https://soc.genealogy.medieval.narkive.com/jFu8DmGt/adam-loftus-arc...
The following is quoted verbatim from the Archbishop's DNB biography, vol 34, pages 73-77. (The surname Ussher/Usher spelled here with one "s").

Adam Loftus married Jane, eldest daughter of Adam Purdon of Lurgan Race, co. Louth. She died in July 1565, and was buried in St. Patrick's. By her he had twenty children, viz: Sir Dudley, who married Anne Bagenall, daughter of Sir Nicholas (not, as according to the peerages, Sir Henry) Bagenall; Sir Edward, who married Anne, daughter and coheiress of Sir Henry Duke of Castle-Jordan, King's County, and died without issue at the siege of Kinsale, 10 May 1601; Adam, a captain of horse, unmarried, killed in the O'Byrnes' country, and buried in St. Patrick's, 29 May 1599; Sir Thomas of Killyan, who married Ellen, daughter of Robert Hartpole of Shrule in Queen's County (widow of Francis Cosby of Stradbally in the same county), died 1 Dec. 1635, and was buried in St. Patrick's; Henry, a twin with Thomas, who died young; Isabella, first wife of William Usher, son and heir of John Usher of Dublin, alderman; Anne, who married first, Sir Henry Colley of Castle Carbury, co. Kildare, secondly George Blount, esq., of Kidderminster in Worcestershire, and thirdly, Edward, first lord Blayney; Jane, who married first, Sir Francis Berkeley of Askeaton, co. Limerick, and secondly, Henry Berkeley, esq.; Martha, first wife of Sir Thomas Colclough of Tintern Abbey, co. Wexford, buried in St. Patrick's on 19 March 1609; Dorothy, wife of Sir John Moore of Croghan, King's County; Alice, wife of Sir Henry Warren of Warrenstown, King's County, buried in St. Patrick's, 15 Nov. 1608; Margaret, wife of Sir George Colley of Edenderry, King's County; also eight other children who died in infancy (LODGE, Peerage, ed. Archdall; cf. also Cal. State Papers, Ireland, Eliz. iii. 252, iv. 534-6).