Kelsey is a distinctive boys' name in United States, ranking #5178 in 2015 with 18 recorded births. The name reached its all-time peak in 1996 with 140 births ranking #932. Since 1996, the popularity has decreased by 87.1%. In 2015, approximately 1 in every 106,459 boys born was named Kelsey. RISING Recent data shows the name is currently rising.