Keygan is a distinctive boys' name in United States, ranking #3808 in 2004 with 24 recorded births. This places Keygan in the top 29% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2008 with 34 births ranking #3315. Since 1996, the popularity has increased by 242.9%. In 2004, approximately 1 in every 82,700 boys born was named Keygan. FALLING Recent data shows the name is currently falling.