Thomas or Tom Morrissey may refer to: Thomas Morrissey (Jesuit), Irish historian, teacher and writer Thomas Morrissey (athlete) (1888–1968), American long-distance runner Tom Morrissey (politician) (born 1956), Irish politician and businessman Tom Morrissey (baseball) (1860–1941), American Major League Baseball player Tom Morrissey (hurler) (born 1996), Irish hurler Tom Morrissey (Gaelic footballer)