Kayleigh is a moderately popular girls' name in United States, ranking #265 in 2012 with 1,227 recorded births. The name reached its all-time peak in 2009 with 1,449 births ranking #227. Since 1996, the popularity has increased by 93.8%. In 2012, approximately 1 in every 1,435 girls born was named Kayleigh. FALLING Recent data shows the name is currently falling.