Cognomen Heilyn (Heilyn 
) , worldwide, is a rare surname. The surname Heilyn is characteristic of Latin America and the Caribbean, particularly Nicaragua, where it is quite a rare surname, Honduras, where it is a rare surname, and Venezuela. More frequently, Heilyn is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Heilyn | Philippines, Venezuela, Honduras, Guatemala, Costa Rica |
| hywel heilyn Welsh poet, GB |
|
|
| ednyfed ab einion ab iorwerth gôch ap heilyn |
|
Roa, Morales, Mendoza, Miranda, Sanchez, Salazar, Alvarez, Cordero, Ramirez, Guevara, Herrera, Fonseca, Martinez, Madrigal, Alvarado, Carrillo, Castillo, Cubillos, Gonzalez, Williams, Rodriguez, Hernandez, Montoya, Ovares, Osorio, Flores, Mora, Soto, Ruiz, Diaz, Vega, Perez, Ramos, Rojas, Reyes, Gomez, Fernandez, Lopez, Medina, Suarez, Segura, Castro, Campos, Blanco, Pérez, Garcia, Torres, Vargas, Mendez, and Villalobos