Kelsey is a distinctive boys' name in United States, ranking #1233 in 1998 with 99 recorded births. The name reached its all-time peak in 1996 with 140 births ranking #932. Since 1996, the popularity has decreased by 29.3%. In 1998, approximately 1 in every 19,306 boys born was named Kelsey. RISING Recent data shows the name is currently rising.