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Throughout the world, Thertia (Thertia
) is a rare feminine given name. The first name Thertia is habitual in Sub-Saharan Africa, particularly the Democratic Republic of the Congo, where it is a rare female name, and South Africa, where it is a very rare feminine name.
| VARIANT | COUNTRY |
|---|---|
| Thertia | Democratic Republic of the Congo, South Africa |
Allegaert, Blundell, Ngamoutiene, Belladona, and Van Den Heever