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Globally, Yeast (Yis
, Yeast
, เชื้อหล้า) is a rare epicene forename. The first name Yeast is characteristic of Latin America and the Caribbean, particularly Panama, where it is a rare female name, the Dominican Republic, and Colombia, where it is a rare largely female, but uncommonly boy's name. In absolute terms, it is commonest in India, Indonesia, and Colombia. More prevalently, Yeast is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Yis | India, United States, Malaysia, Taiwan, Algeria |
| Yeast | New Zealand, United Kingdom, Canada, United States |