Keegan is a distinctive girls' name in United States, ranking #1348 in 2007 with 181 recorded births. The name reached its all-time peak in 2007 with 181 births ranking #1348. Since 1996, the popularity has increased by 129.1%. In 2007, approximately 1 in every 10,621 girls born was named Keegan. FALLING Recent data shows the name is currently falling.