In the world, イツコ (Itsuko 
, イツコ ) is a rare largely female, but uncommonly boy's first name. The first name イツコ is characteristic of Japan, where it is a very rare feminine name, the United States, where it is a very rare mostly female, but infrequently male name, and China, where it is an extremely rare unisex name. Much less frequently, イツコ is the last name as well as the forename.