Career
Flavin was chairman of the Cork-Macroom Railway Company and was a director of the Cork Imperial Hotel Company Being an Alderman on Cork Corporation in 1891, he was selected to stand for election to the United Kingdom House of Commons as an Anti-Parnellite candidate at a by-election held on 6 November 1891 for the Cork City constituency, to fill the vacancy caused by Parnell"s death. He died at his Summerhill, Cork residence on 30 December 1916.