Cougar is a distinctive boys' name in United States, ranking #5542 in 1998 with 11 recorded births. The name reached its all-time peak in 2007 with 17 births ranking #5242. Since 1996, the popularity has increased by 120.0%. In 1998, approximately 1 in every 173,756 boys born was named Cougar. FALLING Recent data shows the name is currently falling.