Kaleigh is one of the many spellings of Kaylee, a modern American blend of Kay and Lee that is sometimes linked to the Irish surname Caollaidhe, "slender"; the eigh ending borrows from names like Ashleigh. Kaleigh entered the top 1000 in 2000 at number 415, peaked at number 399 in 2001 and has dropped steadily since, standing at number 2973 in 2025.