Kelsey is a highly popular girls' name in United States, ranking #36 in 1996 with 7,655 recorded births. This places Kelsey in the top 1% of ranked US girls' names for the year. Its actual usage is classified as Popular. The name reached its all-time peak in 1996 with 7,655 births ranking #36. In 1996, approximately 1 in every 229 girls born was named Kelsey. FALLING Recent data shows the name is currently falling.