Parsi Surname: Y-DNA Haplogroup
Published genetics research or a documented case study links the surname Parsi to a specific Y-DNA paternal-line haplogroup.
Y-hg P*(xR1a1a) and L dominate (a single modal haplotype accounts for >50%, ~86% combined); ~96% Iranian-derived male ancestry estimated
Clade Mixed (Iranian-affiliated)
Also spelled: Parsee; Zoroastrian (Indian)
Classic endogamy/founder-effect case: strongly sex-biased ancestry, with near-total Iranian paternal descent versus substantial Indian maternal admixture, matching the historical narrative of Zoroastrian refugees fleeing Persia after the Islamic conquest (~8th-10th century CE).
Source: Lopez S, Thomas MG, van Dorp L, et al. (2017). "The Genetic Legacy of Zoroastrianism in Iran and India." American Journal of Human Genetics, 101(3):353-368.
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.
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