Seamus is an Irish name that means "supplanter" or "one who replaces." It is a traditional Gaelic name that is popular in Ireland and among those of Irish descent. People named Seamus are often described as strong-willed, charming, and intelligent. They are known for their quick wit and sense of humor. Seamus is a name with deep roots in Irish history and culture, making it a popular choice for parents looking for a traditional yet timeless name.