Haplogroup H

Y-DNA (paternal line)

A Y-DNA lineage found mainly in South Asia (distinct from mtDNA haplogroup H). [isogg]

In the ancient British record

Frequency of H among ancient male samples from Britain & Ireland, by period — from our aggregation of the CC0 Allen Ancient DNA Resource. See the full chart.

Medieval+ 1%
Neolithic 1%

Fuller account: H on Wikipedia.

Remember: a haplogroup is a deep, broad lineage shared by many people — not an ethnicity, a nationality or a clan. See what DNA can and can’t tell you.

Sources

[isogg] International Society of Genetic Genealogy (ISOGG), Y-DNA Haplogroup Tree. Reference — cite for haplogroup nomenclature only (not frequencies) · link