Kelly is a distinctive girls' name in United States, ranking #653 in 2019 with 447 recorded births. The name reached its all-time peak in 1996 with 4,734 births ranking #73. Since 1996, the popularity has decreased by 90.6%. In 2019, approximately 1 in every 3,753 girls born was named Kelly. FALLING Recent data shows the name is currently falling.