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Family name Gastom (Gastom
) , across the world, is a very rare cognomen. The cognomen Gastom is characteristic of Malaysia, where it is a very rare surname, Philippines, where it is an extremely rare surname, and the United States. More prevalently, Gastom is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gastom | Tanzania, Brazil, Malaysia, Nigeria, United States |