Cormac mac Connmhach died in 867.
Cormac mac Ailello died in 712.
Cormac mac Cuilennáin died in 908.
Cormac Mac Carthaig died in 1138.
Cormac mac Art Ó Melaghlain died in 1239.
Robert Cormack died on March 25, 1952.
Cormac mac Airt was, according to Irish legend and historical tradition, a High King of Ireland.
Cormac Breslin died in 1978.
Cormac Breathnach died in 1956.
Mac Cormaic (son of Cormac)
Cormac Ó Domhnalláin died in 1436.
Cormac Ó Curnín died in 1475.