Kelsey is a distinctive boys' name in United States, ranking #4942 in 2010 with 19 recorded births. The name reached its all-time peak in 1996 with 140 births ranking #932. Since 1996, the popularity has decreased by 86.4%. In 2010, approximately 1 in every 100,969 boys born was named Kelsey. RISING Recent data shows the name is currently rising.