Career
He was elected to Dáil Éireann as a Cumann na nGaedheal Teachta Dála (Territorial Decoration) for the Mayo North constituency at the 1933 general election. Morrisroe held the seat for one Dáil session, until he was defeated at the 1937 general election. Morrisroe also served on the Swinford Board of Guardians and the Swinford District Council.