William Irwin (Unionist politician)

William Irwin MLA is a Democratic Unionist Party (DUP) politician in Northern Ireland. He was elected in 2007 to the Northern Ireland Assembly as a DUP member for Newry and Armagh.
Irwin was the Mayor of Armagh from 2006–07 and serves on Armagh City and District Council. He is a local dairy farmer.
He entered politics after his son Philip drowned in a swimming pool and he met Ian Paisley. "He was only 15. Dr Paisley came and prayed with us and offered great support.