Career
He has been a Teachta Dála (Territorial Decoration) for Tipperary since the 2016 general election, having previously held one of the previous seats, Tipperary South from 2000 to 2007 and 2011 to 2016. He is part of the Clonmel based Workers and Unemployed Action (WUA) which has a number of local representatives on South Tipperary County Council and Clonmel Borough Council. A former hospital administrator, Healy was first elected to Clonmel Borough Council in 1985.
He was elected to the 28th Dáil at a by-election on 22 June 2000.
He was re-elected at the 2002 general election, but lost his seat at the 2007 general election to Martin Mansergh of Fianna Fáil. After losing his Dáil seat he returned to serve as councillor in South Tipperary for Clonmel, being co-opted for Pat English, after which he was appointed to various committees such as the local Vocational Education Committee, promotion of the Irish language and various water supply committees.
Séamus Healy was re-elected to South Tipperary County Council at the 2009 local elections. On 15 December 2011, he helped launch a nationwide campaign against the household charge being brought in as part of the 2012 Irish budget.
He stood for re-election to the new Tipperary constituency as a non-party candidate in the 2016 general election, and was elected on the seventh count.
However, he was entered into the register of the 32nd Dáil as a Workers and Unemployed Action Territorial Decoration once again. He voted for both Gerry Adams and Richard Boyd Barrett for Taoiseach when the 32nd Dáil first metropolitan