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Last name Janboy (Janboy ) , worldwide, is an extremely rare cognomen. Much more prevalently, Janboy is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Janboy | Philippines |
Mejia, Sucanel, Auditor, Inovero, Ilang-Ilang, Macaraeg, Sumalinog, and Felimeniano