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Last name Onyinkwa (Onyinkwa
) , worldwide, is quite a rare surname. The cognomen Onyinkwa is characteristic of Kenya, where it is quite a rare surname, and the United States, where it is an extremely rare surname. Very seldom, Onyinkwa is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Onyinkwa | Kenya, United States |