In all the world, タケユキ (タケユキ ) is an extremely rare unknown gender first name. Much more frequently, タケユキ is the last name as well as the forename.
Takeyuki, 健之, 武之, and 武幸
カトウ, ヤマモト, マツバラ, タカハシ, イズミヤ, ミヤモト, ムラタ, ヨシダ, ツチヤ, フクダ, ゴトウ, スズキ, サクマ, サナダ, サトウ, タナカ, オグラ, アサヌマ, ヤクシジ, and ワタナベ
) is an extremely rare unknown gender first name. Much more frequently, タケユキ is the last name as well as the forename.