Kelsey is a distinctive boys' name in United States, ranking #2822 in 2005 with 38 recorded births. The name reached its all-time peak in 1996 with 140 births ranking #932. Since 1996, the popularity has decreased by 72.9%. In 2005, approximately 1 in every 52,557 boys born was named Kelsey. RISING Recent data shows the name is currently rising.