Meaning Sean is a Celtic version of the popular name John, meaning 'God has given' or 'God is merciful'. Origin of Sean Celtic , Irish +-100%Zoom level changed to 1 Popular Middle Names Patrick, Michael, Matthew, Thomas, Christopher, Joseph, Alexander, Anthony, Ryan, Lee Pronunciation 🔊 Listen Sean SH-AAWN Similar Names Shane Shawn Johann Shaan Ian Ievan Jiovanni Johnnie Jovany William-John Year by Year Popularity of Sean