Around the globe, Lucia Ruth (Lucia Ruth 
) is a very rare girly forename. The first name Lucia Ruth is habitual in Latin America and the Caribbean, particularly Chile, where it is a rare feminine name, and Peru, where it is a very rare girly name. Much less frequently, Lucia Ruth is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Lucia Ruth | Philippines, Mexico, Chile, Ecuador, Peru |