>
Across the world, Tadius (Tadius
) is a rare predominantly masculine, but very infrequently feminine forename. The forename Tadius is habitual in Indonesia, where it is a rare male name, Nigeria, where it is a very rare gender-neutral name, and South Africa, where it is a very rare boy's name. Measured by absolute frequency, it is commonest in Indonesia, Nigeria, and India. Also, Tadius is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Tadius | Malaysia, India, Nigeria, Indonesia, Uganda |