Surname Welday (Welday 
) , in the world, is quite a common family name. The surname Welday is characteristic of Ethiopia, where it is quite a rare surname, Sudan, and Saudi Arabia. Likewise, Welday is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Welday | Saudi Arabia, United States, Sudan, Ethiopia, Kenya |
| mike welday American baseball player, US (b. 1878) |
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| welday desta researcher (ORCID 0000-0002-8361-1995) |
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| haftom welday |
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