Séamus O'Shea (born 1987) is a Gaelic footballer who plays for Breaffy and, formerly, the Mayo county team. He is the brother of Mayo players Aidan and Conor. Seamie was man-of-the-match in the 2013 Connacht Senior Football Championship final against London. He was nominated for an All-Star in 2013. O'Shea came on as a substitute in the 2012 All-Ireland SFC final, which Mayo lost by 0âÂÂ13 to 2âÂÂ11 (four points) against Donegal. In the 2013 All-Ireland SFC final, he started at midfield as Mayo lost by one point to Dublin.