Cognomen Swem (Swem 
) , in the entire world, is quite a rare surname. The cognomen Swem is habitual in Nigeria, where it is a rare surname, South Africa, and the United States. Likewise, Swem is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Swem | Myanmar, Nigeria, United States, China, South Africa |
| earl gregg swem American librarian, US (b. 1870) |
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| maria swem researcher |
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