Thomas came from an important cadet branch of the family of the earls of Stafford, his grandfather being Richard, Lord Stafford (d.1380) of Clifton, younger brother of Earl Ralph, and one of the most eminent figures in Staffordshire. He was nephew of the whole blood to Edmund Stafford, bishop of Exeter (1395-1419), and of the half-blood to Sir Nicholas Stafford of Throwley.
In this way Stafford acquired sufficient property in Warwickshire to qualify him for election to Parliament for the county. But he may also have owed his return to his connexion with the earls of Warwick. His stepfather, William Spernore, was a prominent esquire in Earl Thomas’s household, and he himself was in receipt of a retaining fee from the same lord as early as 1396-7. By Michaelmas 1408 he was enjoying an annuity of £10 by grant of Earl Richard, and this continued to be paid until his death. Something of his position is suggested by the fact that at Lent in 1421 he was at Berkeley dining with the household of the countess Elizabeth. Surprisingly, in view of his distinguished connexions, there is no evidence that Stafford ever held a public office. Nor, although early in 1420 his name appeared on the list of men from Warwickshire sent to the Council as considered best able for military service, is he known to have done any.
By the spring of 1417 it seems to have become clear that Stafford and his first wife would not have children, for they then sold the reversion of Baginton to the earl of Warwick. Isabel, in fact, died within the year, and in 1418 Wolston was settled on Stafford alone for term of his life.
Stafford died on 11 Dec. 1425, leaving as his heir a young son, Richard (who did not long survive him). His widow, Katherine, later married (Sir) William Peyto of Chesterton, another retainer of the earl of Warwick.
