Meaning: Its source is Caollaidhe, a Gaelic name meaning "Slender."

Variant Forms: Kaleigh

Popularity: The name Kayleigh ranked 316th in popularity for females of all ages in a sample of 2000-2003 Social Security Administration statistics and 2485th in popularity for females of all ages in a sample of the 1990 US Census.

Though this name appears on the 1990 U.S. Census lists, it is used by only a small percentage of the general population.