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Worldwide, Siulai (July
, Siulai
) is a common gender-neutral given name. The given name Siulai is characteristic of Reunion, where it is quite a common feminine name, the Dominican Republic, where it is quite a rare dominantly female, but uncommonly masculine name, and Colombia, where it is quite a rare female name. Not in comparison with a country's population, it is commonest in Philippines, India, and Indonesia. Very seldom, Siulai is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| July | Philippines, Colombia, Myanmar, India, South Africa |
| Siulai | Canada, Malaysia, Hong Kong, United States, Venezuela |