Kelsey is a moderately popular girls' name in England & Wales, ranking #422 in 2014 with 103 recorded births. This places Kelsey in the top 6% 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. Since 1996, the popularity has decreased by 76.5%. In 2014, approximately 1 in every 2,977 girls born was named Kelsey. STABLE Recent data shows the name is currently stable.