Kelsey is a moderately popular girls' name in England & Wales, ranking #322 in 2012 with 151 recorded births. The name reached its all-time peak in 1998 with 596 births ranking #87. Since 1996, the popularity has decreased by 65.5%. In 2012, approximately 1 in every 2,133 girls born was named Kelsey. STABLE Recent data shows the name is currently stable.