Kayleigh is a moderately popular girls' name in United States, ranking #451 in 2018 with 706 recorded births. The name reached its all-time peak in 2009 with 1,449 births ranking #227. Since 1996, the popularity has increased by 11.5%. In 2018, approximately 1 in every 2,409 girls born was named Kayleigh. FALLING Recent data shows the name is currently falling.