Kayleigh is a moderately popular girls' name in United States, ranking #278 in 2014 with 1,173 recorded births. The name reached its all-time peak in 2009 with 1,449 births ranking #227. Since 1996, the popularity has increased by 85.3%. In 2014, approximately 1 in every 1,523 girls born was named Kayleigh. FALLING Recent data shows the name is currently falling.