He was christened in 1686 at St Mary, Hitchin.
His brother George was apprenticed to another brother William Ewesdin of the Goldsmiths Company in 1714. William, as with Thomas, had been an apprentice of Henry Grant.
Indentures were signed in 1747 for Humphrey the son of John Whetton staymaker of Tower Hamlets to be his apprentice.
His Will, goldsmith late of London, was proved for probate on 15th June 1761 (National Archives reference PROB 11/188/285).