Career
He was the eldest of the four sons of George Wyon, an engraver. They resided at Lionel Street in 1797. Wyon engraved many dies for tokens, especially part of the Coventry series of buildings.
From 1800 he carried on business in London, and on 30 September 1816 was appointed Chief Engraver of the Seals. He died on 18 October 1830 in Nassau Street, London. Wyon was the father of Thomas Wyon the younger, Benjamin Wyon, and Edward William Wyon the sculptor.