Meaning and name origin
Cormac \c(o)-rmac, cor-mac\ as a boy's name is pronounced KOR-mac. It is of Irish and Gaelic origin, and the meaning of Cormac is "impure son". Historical: the third-century Irish king who founded schools of military science, law, and literature at Tara. Saint Cormac (10th century), bishop and king of Munster, Ireland, was the author of a dictionary of the Irish language. The name has been popular in Ireland since the earliest times.
Cormac is not a popular first name for males and an equally uncommon surname or last name for all people (2000 U.S. Census).
Displayed below is the baby name popularity of the name Cormac for boys (2014 statistics).
Cormac is also pronounced similarly to Cormic. Like Cormac, this name is not commonly used.