Cognomen M. Pilar (M. Pilar 
) , around the world, is quite a rare last name. The cognomen M. Pilar is habitual in Southern Europe, particularly Spain, where it is quite a rare surname. Likewise, M. Pilar is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| M. Pilar | Spain, United States |