Surname Gertrudis Isabel (Gertrudis Isabel 
) , in all the world, is an extremely rare cognomen. The last name Gertrudis Isabel is habitual in Latin America and the Caribbean, particularly Chile, where it is a very rare surname. More frequently, Gertrudis Isabel is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gertrudis Isabel | Costa Rica, Spain, Chile, Ecuador, Peru |