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Worldwide, 古 (Ku , Gu , 古 , and others...) is a widespread primarily girly, but very seldom masculine forename. The first name 古 is characteristic of India, where it is quite a common principally girly, but scarcely male name, Iceland, where it is quite a common gender-neutral name, and Macao (explore the name in all countries). Measured by absolute frequency, the name is most common in India, China, and Indonesia. Likewise, 古 is the last name as well as the forename.