All over the world, Tillis (Tillis 
, Тиллис 
) is a very rare gender-neutral first name. The forename Tillis is characteristic of the United States, where it is a very rare boy's name, and India, where it is an extremely rare epicene name. Much more frequently, Tillis is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Tillis | Greece, Canada, United States, Philippines, India |
| Тиллис | Russia |
| bishop perry tillis American singer, US (b. 1919) |
|