Meaning and history
From Old Irish Cormacc or Corbmac, this name has an uncertain meaning, possibly combining corb “chariot, wagon” or corbbad “defilement, corruption” with macc “son.” It was borne by several figures in Irish legend, including the semi-legendary high king Cormac mac Airt, said to have ruled in the 3rd century during the adventures of Fionn mac Cumhaill, and by a few early saints.
In 2025, 150 babies were recorded with the name Cormac, ranking #1,297 among boys.