Worldwide, Ruth Lucy (Ruth Lucy 
) is a very rare girly given name. The forename Ruth Lucy is characteristic of Latin America and the Caribbean, particularly Peru, where it is a very rare girly name, and Chile. Very seldom, Ruth Lucy is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Ruth Lucy | Peru, Chile |
Medina, and Castillo Prieto