DNA & ancestry › All haplogroups

Haplogroup J

mtDNA (maternal line)

A maternal lineage associated with the spread of farming from the Near East. [isogg][aadr]

The British record

In the ancient British record

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

• Bronze Age 7%
• Early Medieval 9%
• Iron Age 10%
• Medieval+ 13%
• Neolithic 9%
• Roman 15%

Fuller account: J 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
• [aadr] Allen Ancient DNA Resource (AADR) v66, Mallick & Reich (Harvard), doi:10.7910/DVN/FFIDCW. CC0 1.0 (public domain dedication) · link