Kelsey is a moderately popular girls' name in England & Wales, ranking #373 in 2013 with 121 recorded births. The name reached its all-time peak in 1998 with 596 births ranking #87. Since 1996, the popularity has decreased by 72.4%. In 2013, approximately 1 in every 2,549 girls born was named Kelsey. STABLE Recent data shows the name is currently stable.