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Worldwide, Guiamilan (Guiamilan ) is a very rare primarily girly, but very infrequently masculine given name. The given name Guiamilan is habitual in South-eastern Asia, particularly Philippines, where it is a very rare primarily girly, but very seldom masculine name.
| VARIANT | COUNTRY |
|---|---|
| Guiamilan | Philippines |
Kutin, Nawal, Maguid, Sangkay, Mamantas, Bansilan, Palaguyan, Ampalanie, Kalamunggi, and Mansalayao