Kelly is an Irish surname that originated from the Gaelic name “Ó Ceallaigh,” meaning “descendant of Ceallach.” It was one of the most common surnames in Ireland, with numerous variations of the name throughout history. Famous Kellys include actress Grace Kelly and Australian outlaw Ned Kelly. Today, the name can be found worldwide, with many Kellys achieving success in various fields. The Kelly family crest features a shield with three red lions, symbolizing courage and bravery.
