Cormac is a distinctive boys' name in United States, ranking #1348 in 2010 with 126 recorded births. The name reached its all-time peak in 2014 with 196 births ranking #1033. Since 1996, the popularity has increased by 162.5%. In 2010, approximately 1 in every 15,225 boys born was named Cormac. STABLE Recent data shows the name is currently stable.