William Irvine was born in County Fermanagh, and was educated at Trinity College, Dublin. He was a surgeon in the Royal Navy during the Seven Years' War and then emigrated to America, where he had a medical practice in Carlisle, Pennsylvania. He was elected representative for Carlisle and raised and commanded the 6th Pennsylvania Regiment. As a prisoner he was exchanged in 1778. In the autumn of 1781, he was stationed as brigadier-general at Fort Pitt and made responsible for defending the north-west-frontier. In his capacity as Examiner of Public Lands he incorporated an outlet from Pennsylvania upon Lake Erie. He was a member of Congress from 1793 to 1795. He died in Philadelphia.

Born:	2 November 1741
Died:	29 July 1804