Kelsey is a popular girls' name in England & Wales, ranking #87 in 1998 with 596 recorded births. This places Kelsey in the top 2% of ranked UK girls' names for the year. Its actual usage is classified as Popular. The name reached its all-time peak in 1998 with 596 births ranking #87. Since 1996, the popularity has increased by 36.1%. In 1998, approximately 1 in every 485 girls born was named Kelsey. STABLE Recent data shows the name is currently stable.