Keegan is a distinctive girls' name in United States, ranking #1635 in 2001 with 112 recorded births. The name reached its all-time peak in 2007 with 181 births ranking #1348. Since 1996, the popularity has increased by 41.8%. In 2001, approximately 1 in every 16,076 girls born was named Keegan. FALLING Recent data shows the name is currently falling.