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.
Less common today
Cailen isn't in the latest US Top 1000. It last peaked at #5,333 in 2007.
Musical theater actress known for Mean Girls on Broadway
US births per 5-year period, 1990–present (SSA data).
