Seamus is a common Irish name, often used as a variant of James. It has roots in the Hebrew name Yaakov, meaning "supplanter." The name is popular in Ireland and among people of Irish descent around the world. In literature, Seamus can refer to notable figures like Seamus Heaney, a renowned Irish poet and Nobel laureate. Heaney's work often explores themes of nature, identity, and the Irish experience, making him a significant figure in contemporary literature.