Kayleigh is a moderately popular girls' name in United States, ranking #290 in 2003 with 1,072 recorded births. The name reached its all-time peak in 2009 with 1,449 births ranking #227. Since 1996, the popularity has increased by 69.4%. In 2003, approximately 1 in every 1,704 girls born was named Kayleigh. FALLING Recent data shows the name is currently falling.