All over the world, カツコ (カツコ ) is an extremely rare unknown gender first name. Much more frequently, カツコ is the last name as well as the forename.
Katsko, Katsuko, Katuko, and 克子
サイ, ニシオカ, タカハシ, オオタニ, カミノエ, マエガミ, カタオカ, ヤマダ, ミヤワキ, セキネ, タケダ, オオタ, イワセ, カイト, カトウ, シミズ, ワタナベ, and イシワタリ
) is an extremely rare unknown gender first name. Much more frequently, カツコ is the last name as well as the forename.