Thomas inherited lands in County Limerick from his uncle, John Quin, and a substantial fortune from his father.
A pamphlet in defence of Burke's Reflections on the French Revolution "against all his opponents", based on his own first-hand observation of conditions in France, gained him the honour of an invitation to Beaconsfield to meet Edmund Burke himself, and an introduction to William Fitzwilliam, 4th Earl Fitzwilliam, made useless by the Viceroy's prompt recall.
[1] In 1818, he gave evidence at the bar of the House of Commons upon the inquiry into the conduct of Windham Quin, later 2nd Earl of Dunraven, who was accused of corruption following the 1818 General Election, but exonerated.
[1] He died at Lissadell, County Sligo, the seat of his son-in-law, Sir Robert Gore-Booth, 4th Baronet, on 16 July 1846.
[citation needed] Thomas and his wife Elizabeth Nixon, daughter of the Reverend Brinsley Nixon of Painstown, County Meath, and Mary Hartigan,[1] had six children in all: three sons, including the Right Reverend Frederick Goold, Archdeacon of Raphoe, and three daughters, including Caroline, Lady Gore-Booth, and Augusta, who married her distant cousin, Edwin Wyndham-Quin, 3rd Earl of Dunraven and Mount-Earl.