Kelsey is a moderately popular girls' name in England & Wales, ranking #164 in 2008 with 325 recorded births. The name reached its all-time peak in 1998 with 596 births ranking #87. Since 1996, the popularity has decreased by 25.8%. In 2008, approximately 1 in every 972 girls born was named Kelsey. STABLE Recent data shows the name is currently stable.