Meadow, slender, or fair
Kieley is a modern variant of the Irish surname O'Cadhla, meaning 'graceful' or 'beautiful'. It is also frequently associated with the Gaelic 'caol', meaning 'slender', or the Old English 'leah', meaning 'meadow'.
Less common today
Kieley isn't in the latest US Top 1000. It last peaked at #5,060 in 2007.
US births per 5-year period, 1990βpresent (SSA data).