Cognomen Irene Matilde (Irene Matilde 
) , around the world, is an extremely rare family name. The family name Irene Matilde is habitual in Latin America and the Caribbean, particularly Chile, where it is a very rare surname. More frequently, Irene Matilde is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Irene Matilde | Costa Rica, Italy, Chile, Ecuador, Peru |