Surname オオスガ (オオスガ ) , all around the world, is an extremely rare family name. Much more frequently, オオスガ is the forename as well as the last name.
Oosuga
カナ, ノリコ, ユキコ, ユウコ, ヒトミ, ハルカ, ミエコ, マサキ, ノブユキ, コウヘイ, シオリ, アツシ, カナエ, ユイ, ユウ, ミキ, マキ, サトコ, and リュウジ
) , all around the world, is an extremely rare family name. Much more frequently, オオスガ is the forename as well as the last name.