Surname シーモア (Seymur 
, Seymour 
, Seymore 
) , in the world, is a common family name. The last name シーモア is habitual in Jersey, where it is a common surname, Bahamas, and Cayman Islands, where it is quite a common surname (explore the name in all countries). Measured by absolute frequency, this name is the most popular in the United States, the United Kingdom, and Australia. Likewise, シーモア is the forename as well as the last name.