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Updated March 6, 2024

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Girl name origins & meanings

  • Scandinavian: Clear mountain spring
  • Irish: Church; warrior; wood; holly; farm by the spring

Discover more baby name meanings to learn what's behind every name. 

Girl name variations

Boy name origins & meanings

  • German: Swamp
  • Irish: Powerful
  • Irish: Warrior

How Popular Is The Name Kelly

Family name origins & meanings

  • Irish: Anglicized form of Gaelic Ó Ceallaigh ‘descendant of Ceallach’, an ancient Irish personal name, originally a byname meaning ‘bright-headed’, later understood as ‘frequenting churches’ (Irish ceall). There are several early Irish saints who bore this name. Kelly is now the most common of all Irish family names in Ireland.

Famous people with this last name

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