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Family name Hoài (Hoai , Hoài ) , in all the world, is a common surname. The surname Hoài is characteristic of Macao, where it is quite a common surname, Vietnam, and Malaysia, where it is quite a rare surname. Also, Hoài is the forename as well as the last name.
VARIANT | COUNTRY |
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Hoai | Vietnam, Malaysia, Macao, United States, Japan |
Hoài | Australia, Germany, Vietnam, Macao, United States |