He became a farmer and a publican before becoming a founder member and Vice-Chairman of the Irish Anti-Partition League in Lisnaskea in May 1946.
[1] He was elected to Lisnaskea Rural District Council and also became the Chairman of the Enniskillen Fisheries Board.
[2] At the 1949 Northern Ireland general election, Carron unsuccessfully stood for the Nationalist Party in Lisnaskea.
He next stood for South Fermanagh in 1965, this time successfully, holding the seat until the abolition of the Parliament of Northern Ireland at Stormont in 1972.
[2] Frank Maguire, Member of Parliament for Fermanagh and South Tyrone, was a nephew of John Carron and, as a young man, worked in his uncle's pub.