Keygan is a distinctive boys' name in United States, ranking #4165 in 2006 with 23 recorded births. The name reached its all-time peak in 2008 with 34 births ranking #3315. Since 1996, the popularity has increased by 228.6%. In 2006, approximately 1 in every 89,353 boys born was named Keygan. FALLING Recent data shows the name is currently falling.