E-M81 and/or J1-M267 (statistically elevated frequency)
Clade E1b1b / J1
Medium confidence 📍 Catalan-speaking territories, Spain (surname of Arabic/Andalusi etymology)
Also spelled: Nacher
Bearers of this Arabic-etymology Catalan surname showed a statistically significant excess of North African-associated haplogroups (E-M81, J1-M267) versus the general Catalan population, suggesting an Andalusi/Morisco (not necessarily Jewish) ancestral component. Reflects a population-level statistical enrichment across the surname sample, not a single confirmed founder lineage for every bearer.
Source: Solé-Morata N, Bertranpetit J, Comas D, Calafell F. "Y-chromosome diversity in Catalan surname samples: insights into surname origin and frequency." European Journal of Human Genetics. 2015;23(11):1549-1557. doi:10.1038/ejhg.2015.14
How to read this. A surname match means some people with that surname, in a specific study or family record, were found to share a haplogroup, most likely due to a shared patrilineal ancestor generations back. It is not proof that you personally carry that haplogroup: surnames change through adoption, remarriage, non-paternity events, and independent origin of the same name in different families. For your own confirmed haplogroup, test your DNA with our HaploAI Y-DNA/mtDNA predictor.

Carry the Nàcher name? Find out if you share this paternal line FamilyTreeDNA lineage tests

Surnames follow the paternal line, and so does the Y chromosome. A FamilyTreeDNA Y-DNA test compares you with other men who carry your surname, inside its free surname projects, and tells you whether you descend from the same ancestor.

Y-DNA tests follow the direct father-to-son line, so they are for men. Women can ask their father, a brother or a paternal uncle to test.

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