There are
271
Seis in the USASei is the
71886th
most common last name in the USASei Genealogy
OriginsThe origins of the Sei surname are predominantly Japanese, as it is most commonly found in Japan.
Geographic DistributionThe Sei surname is primarily found in Japan, with a smaller presence in other Asian countries such as China and South Korea.
VariationsThere are no known variations of the Sei surname.
Migration and ImmigrationThere is limited information available regarding the migration and immigration history of the Sei surname.