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Ancient DNA suggests women were at the heart of social networks in Celtic society in Britain

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Bournemouth University

This photo provided by Bournemouth University in January 2025 shows burials being investigated at an Iron Age Celtic cemetery as part of the Durotriges tribe project dig in Dorset, southwest England. (Bournemouth University via AP)

Female family ties were at the heart of social networks in Celtic society in Britain before the Roman invasion, a new analysis suggests.

Genetic evidence from a late Iron Age cemetery shows that women were closely related while unrelated men tended to come into the community from elsewhere, likely after marriage.

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An examination of ancient DNA recovered from 57 graves in Dorset in southwest England shows that two-thirds of the individuals were descended from a single maternal lineage. The cemetery was used from around 100 B.C. to 200 A.D.

“That was really jaw-dropping – it’s never been observed before in European prehistory,” said study co-author Lara Cassidy, a geneticist at Trinity College Dublin.

The findings, published Wednesday in the journal Nature, suggest that women stayed in the same circles throughout life – maintaining social networks and likely inheriting or managing land and property.

Meanwhile “it’s your husband who is coming in as a relative stranger, dependent on a wife’s family for land and livelihood,” said Cassidy.

This pattern – called matrilocality – is historically rare.

Archaeologists studying grave sites in Britain and Europe have previously only detected the opposite pattern – women leaving their homes to join their husband’s family group – in other ancient time periods, from the neolithic to the early Medieval period, said Guido Gnecchi-Ruscone at the Max Planck Institute in Germany, who was not part of the study.

In studies of pre-industrial societies from around 1800 to the present, anthropologists found that men join their wives’ extended family households only 8% of the time, said Cassidy.

But archaeologists already knew there was something special about the role of women in Iron Age Britain. A patchwork of tribes with closely related languages and art styles – sometimes referred to as Celtic – lived in England before the Roman invasion in 43 A.D. Valuable items have been found buried with Celtic women, and Roman writers, including Julius Caesar, wrote with disdain about their relative independence and fighting prowess.

The pattern of strong female kinship connections that the researchers found does not necessarily imply that women also held formal positions of political power, called matriarchy.

But it does suggest that women had some control of land and property, as well as strong social support, making Britain’s Celtic society “more egalitarian than the Roman world,” said study co-author and Bournemouth University archaeologist Miles Russell.

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