Cognomen Séamas (James 
, Shamus 
, Séamas 
) , globally, is a prevalent family name. The surname Séamas is characteristic of Latin America and the Caribbean, particularly Saint Lucia, where it is a widespread surname, Saint Vincent and the Grenadines, and Antigua and Barbuda (explore the name in all countries). In absolute terms, it most frequently occurs in Nigeria, the United States, and Tanzania. More prevalently, Séamas is the forename as well as the last name.
Kelly, Bulaeir, Devine, Hoyaux, Mernagh, Sharkey, Griffin, Mcgrattan, Maclochlainn, and Kirkpatrick