Keegan is a distinctive girls' name in United States, ranking #1651 in 2004 with 118 recorded births. The name reached its all-time peak in 2007 with 181 births ranking #1348. Since 1996, the popularity has increased by 49.4%. In 2004, approximately 1 in every 15,560 girls born was named Keegan. FALLING Recent data shows the name is currently falling.