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Surname Seir (Saer
, Seir
, Sér
) , globally, is quite a rare last name. The cognomen Seir is habitual in Isle of Man, where it is quite a rare surname, Senegal, and Syria. In absolute terms, it is the most numerous in Senegal, Syria, and Colombia. More frequently, Seir is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Saer | Senegal, Colombia, Lebanon, Syria, Venezuela |
| Seir | Colombia, Brazil, United States, Indonesia, Venezuela |
| Sér | Algeria, Tunisia, Morocco |