Kelsey is a moderately popular girls' name in England & Wales, ranking #107 in 1996 with 438 recorded births. This places Kelsey in the top 2% of ranked UK girls' names for the year. Its actual usage is classified as Moderately Popular. The name reached its all-time peak in 1998 with 596 births ranking #87. In 1996, approximately 1 in every 676 girls born was named Kelsey. STABLE Recent data shows the name is currently stable.