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Globally, Sigu (Sieglinde
, Siegmund
, Sigu
) is a common epicene first name. The forename Sigu is characteristic of Germany, where it is quite a common gender-neutral name, Austria, and Gambia, where it is quite a rare masculine name. Not in comparison with a country's population, this name is the most popular in Germany, Ethiopia, and Austria. Much less frequently, Sigu is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Sieglinde | Italy, Austria, United States, China, Germany |
| Siegmund | Czechia, Poland, Austria, United States, Germany |
| Sigu | India, Ethiopia, United States, Kenya, Germany |
| 水牛 | China |
Sigu is also a name for the fictitious and mythical characters: Siegmund , the operatic character in the opera Die Walküre by Richard Wagner; Sieglinde , the operatic character in the opera Die Walküre by Richard Wagner and Sieglinde Lessing , the musical character in the musical Music in the Air by Jerome Kern; a young singer in love with Karl.