Slender or pure
Cailey is a modern phonetic spelling of the Irish surname Caoilfhionn, which combines the elements 'caol' meaning slender and 'fionn' meaning fair or pure. It is also frequently interpreted as a variation of Kaylee, which blends the popular 'Kay' sound with the 'lee' suffix.
American actress known for her role in The Walking Dead
US births per 5-year period, 1990–present (SSA data).