Keegan is a moderately popular boys' name in United States, ranking #305 in 1998 with 928 recorded births. The name reached its all-time peak in 2007 with 1,707 births ranking #222. Since 1996, the popularity has increased by 16.1%. In 1998, approximately 1 in every 2,060 boys born was named Keegan. STABLE Recent data shows the name is currently stable.