In all the world, Owoicho (Owoicho 
) is quite a common unisex forename. The first name Owoicho is characteristic of Sub-Saharan Africa, particularly Nigeria, where it is quite a rare epicene name. Also, Owoicho is the last name as well as the forename.
| VARIANT | COUNTRY |
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| Owoicho | Canada, Malaysia, Nigeria, United States, United Kingdom |
| owoicho adogwa researcher (ORCID 0000-0001-9403-2799) |
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| owoicho adogwa |
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