Surname Simithy (Simithy 
) , across the world, is an extremely rare last name. The surname Simithy is habitual in Northern America, particularly the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Simithy | United States |
| johayra simithy researcher (ORCID 0000-0002-4956-112X) |
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