Surname guides
Everything behind your surnames, explained at leisure.
How many surnames do you have? From 2 to 1,024, generation by generation
How all your surnames are counted and ordered, Spanish style: 2 from your parents, 8 from your great-grandparents and about a thousand after ten generations.
Why Spanish people have two surnames (and who picks the order)
How Spain’s two-surname system works, what changed in 1999 and 2017 about the order, and how it differs from Portugal and the English-speaking world.
The 20 most common surnames in Spain (INE, 2025)
García, Rodríguez, González… Spain’s most common surnames and how many people carry each one first, second and twice, from official INE figures.
How to export your family tree as a GEDCOM file
What a GEDCOM file (.ged) is and how to download one from Ancestry, MyHeritage, FamilySearch or a genealogy program to use in another app.