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All around the world, Diay (Diay
) is a very rare epicene forename. The forename Diay is characteristic of South-eastern Asia, particularly Philippines, where it is a very rare primarily female, but very seldom male name. Likewise, Diay is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Diay | Philippines, Colombia, Myanmar, India, France |