Y
- Ybarramunoz
- Ybarranavarette
- Ybarranavarrete
- Ybarrando
- Ybarranoriega
- Ybarraortega
- Ybarrapablo
- Ybarraparedes
- Ybarraperez
- Ybarraramire
- Ybarraramirez
- Ybarrarangel
- Ybarrarodriguez
- Ybarrarojas
- Ybarrarosas
- Ybarraruiz
- Ybarrasauced
- Ybarrasavage
- Ybarrasheeler
- Ybarratorres
- Ybarravaladez
- Ybarravelasquez
- Ybarravilla
- Ybarre
- Ybarrea
- Ybarreche
- Ybarreta
- Ybarria
- Ybarro
- Ybarrola
- Ybarrolamendoza