Slender or pure
Cailen is a modern phonetic variant of the Gaelic name Cailean or the Greek-derived Caitlin. It is often interpreted as meaning 'slender' from the Irish 'caol' or 'pure' if linked to the Catherine family of names.
About 7 boys were named Cailen in 2025.
Musical theater actress known for Mean Girls on Broadway
US births per 5-year period, 1990–present (SSA data).
