Kayleigh is a moderately popular girls' name in United States, ranking #383 in 1997 with 690 recorded births. This places Kayleigh in the top 2% of ranked US girls' names for the year. Its actual usage is classified as Moderately Popular. The name reached its all-time peak in 2009 with 1,449 births ranking #227. In 1997, approximately 1 in every 2,523 girls born was named Kayleigh. FALLING Recent data shows the name is currently falling.