Keegan is a distinctive girls' name in United States, ranking #1508 in 2000 with 122 recorded births. The name reached its all-time peak in 2007 with 181 births ranking #1348. Since 1996, the popularity has increased by 54.4%. In 2000, approximately 1 in every 14,885 girls born was named Keegan. FALLING Recent data shows the name is currently falling.