Cognomen Maria Ercilia (Maria Ercilia 
) , around the world, is a rare last name. The family name Maria Ercilia is habitual in Chile, where it is quite a rare surname, Spain, where it is a very rare surname, and Nicaragua. More prevalently, Maria Ercilia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Maria Ercilia | Paraguay, Bolivia, Peru, Ecuador, Chile |
Cid, Caceres, Vasquez, Fuentes, Martinez, Mancilla, Saavedra, Alvarado, Aguilera, Cardenas, Gonzalez, Espinoza, Vega Vega, Figueroa, Sepulveda, Almonacid, Avendaño, Contreras, Bahamonde, Rodriguez, Hernandez, Henriquez, Alvarez, Sanchez, Miranda, Ubilla, Soto, Diaz, Silva, Araya, Arias, Parra, Perez, Rojas, Reyes, Leiva, Fernandez, Tapia, Irala, Aguero, Cortes, Romero, Garcia, Nuñez, Vargas, Oyarzo, Yañez, Zapata, Vidal, and Dos Santos