Keegan is a distinctive girls' name in United States, ranking #1615 in 2002 with 115 recorded births. The name reached its all-time peak in 2007 with 181 births ranking #1348. Since 1996, the popularity has increased by 45.6%. In 2002, approximately 1 in every 15,625 girls born was named Keegan. FALLING Recent data shows the name is currently falling.