Kelsey is a moderately popular girls' name in England & Wales, ranking #102 in 1999 with 500 recorded births. The name reached its all-time peak in 1998 with 596 births ranking #87. Since 1996, the popularity has increased by 14.2%. In 1999, approximately 1 in every 563 girls born was named Kelsey. STABLE Recent data shows the name is currently stable.