Last name Сеймор (Seymore 
, Сеймор 
) , worldwide, is quite a rare surname. The family name Сеймор is habitual in the United States, where it is quite a rare surname, New Zealand, where it is a rare surname, and South Africa. In absolute terms, this name is the most popular in the United States, South Africa, and Canada. Very seldom, Сеймор is the forename as well as the last name.