Uncover the origin, popularity, and more for any name.
Caitlin is an Anglicized form of the Irish name 'Caoimhghín', meaning 'pure' or 'innocent'. It has also been linked to the Gaelic word 'Caolán', which means 'slender' or 'graceful'. The name has gained popularity in English-speaking countries, particularly in Ireland and the United States.