Sean means "the grace of God." It is of Celtic origin and also commonly spelled Shawn and Shaun. It is used primarily as a name for males.
The name Sean has been used for hundreds of generations and is still one of the most popular baby names. There have been many famous individuals with the name Sean over the years. Sean Penn and Sean Connery are well-known actors, while Sean "P.Diddy" Combs and Sean Kingston are famous rappers. Actor Sean Hayes is best known for his role on "Will & Grace," and actor Sean Flynn is known for the television show "Zoey 101."