Supplanter
Seamus is the Irish form of the name James. It ultimately derives from the Hebrew name Jacob, which refers to one who follows or replaces another.
Less common today
Seamus isn't in the latest US Top 1000. It last peaked at #735 in 2003.
US births per 5-year period, 1990–present (SSA data).
Nobel Prize-winning Irish poet and playwright
Gryffindor student and friend of Harry Potter · Harry Potter series
Professional footballer and captain of the Republic of Ireland team
American actor known for the television series Castle