Kelsey is a distinctive boys' name in United States, ranking #2560 in 2006 with 47 recorded births. This places Kelsey in the top 18% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1996 with 140 births ranking #932. Since 1996, the popularity has decreased by 66.4%. In 2006, approximately 1 in every 43,726 boys born was named Kelsey. RISING Recent data shows the name is currently rising.