Career
He was a Teachta Dála (Territorial Decoration) for the Longford–Westmeath constituency from 2007 to 2016. A native of Legan, County Longford, he worked as a farmer and auctioneer before entering politics. He was first elected to Longford County Council at the 1985 local elections for the Ballymahon electoral area, and was successively re-elected to the County Council at the 1991 and 1999 local elections, receiving the largest number of first-preference votes in the electoral area on each occasion.
He has served as Chairperson of Longford County Council, becoming the youngest person ever to do southern
He was first elected to Dáil Éireann at the 2007 general election for Longford–Westmeath. He served as the party Deputy spokesperson on Environment with special responsibility for Heritage from 2007 to 2010.
In October 2010, he was appointed as Deputy spokesperson on Environment with special responsibility for Local and Community Development. In 2012, he asked Bishop Colm O"Reilly to reconsider selecting an Italian organ maker to rebuild the organ in Street Mel"s Cathedral in Longford.
During campaigning ahead of the 2016 general election, Gardaí gave Bannon a lift after he became involved in a dispute while canvassing in the Creevaghbeg estate area in Ballymahon, County Longford.
He lost his seat at the 2016 general election.