Martin Óg Morrissey (1934 – 19 December 2024) was an Irish hurler, Gaelic footballer and selector.
[1][2] Morrissey's club career began at minor level with the Mount Sion juvenile section, with whom he won Waterford MHC medals in 1949 and 1950.
A disagreement resulted in him leaving the club and lining out with junior side Gaedheal Óg, however, Morrissey returned to Mount Sion in 1953.
His return coincided with the club's greatest era of success and he won nine consecutive Waterford SHC medals between 1953 and 1961.
During that time, Morrissey also won five Waterford SFC medals as Mount Sion completed five doubles.