23andMe Quietly Brings Back Chromosome Data (and Adds Clustering)

by Peter Clarkson Logging into 23andMe recently revealed a change that many genetic genealogists will welcome — and it arrived with little to no announcement. After previously withdrawing detailed chromosome‑level information following their security issues, 23andMe now appears to have reinstated chromosome matching data and introduced a new clustering feature, […]

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Big Y 700 for an Irish McGoff / McGough / Goff Family

by Phillip G. Goff, GGFA Director of Genetic Genealogy The GGFA recently completed a major update to the 1750 McGoff–McGough–Goff Genetic Family, originally associated with haplogroup I-Y67553. Thanks to new Big Y-700 test results and additional autosomal matches, this family has now been reassigned to the more refined terminal haplogroup […]

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Breakthrough: Barlow-Gawf/Goff Family

by Phillip G. Goff, GGFA Director of Genetic Genealogy A research team consisting of Peter Clarkson, Camellia Acker, Harry Broad, Maureen Pierce and me has achieved a major breakthrough in the Gawf/Goff family of Tennessee and Alabama. This breakthrough is discussed in the Archives & Research>DNA Surname Study page on […]

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