Kelly is a distinctive girls' name in United States, ranking #619 in 2018 with 485 recorded births. The name reached its all-time peak in 1996 with 4,734 births ranking #73. Since 1996, the popularity has decreased by 89.8%. In 2018, approximately 1 in every 3,506 girls born was named Kelly. FALLING Recent data shows the name is currently falling.