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Family name Loin (Leu
, Loin
, Lumbus
) , all over the world, is a common surname. The family name Loin is characteristic of Switzerland, where it is quite a common surname, Liechtenstein, and Moldova (explore the name in all countries). Not in comparison with a country's population, it is the most numerous in Switzerland, Romania, and Germany. Very seldom, Loin is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Leu | Switzerland, United States, Indonesia, Romania, Germany |
| Loin | Malaysia, Poland, France, Indonesia, United States |
| Lumbus | Philippines, India, Australia, United States, United Kingdom |
| Loigne | France |