The St. Clair engrailed cross, the Auchinleck Manuscript and our full history take on far greater meaning thanks to DNA testing

The First Comprehensive St. Clair / Sinclair DNA Report

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Welcome to the St. Clair Sinclair DNA Project
DNA-strandOver the coming months, you'll see new pages here with the latest updates. Click here for an overview welcoming message. Click links to left to see the full report on our family study.
The Saint-Clair Name in France 
Saint-Clair-FranceAs it turns out, there were likely many places named Saint-Clair in medieval France. A newly discovered resource makes it clear ours really is a place-name.
Click Here >>
The Sinclairs of Perthshire Scotland.
st clair dna perthshirePeter Sinclair has approached his research on the origins of Sinclairs of Perthshire with his own unique methodology that may soon reveal the answers.  Click Here >>
A Confluence of Surnames - SNP Connections
Sinclair DNAOur R-L193 SNP study and STR matches are connecting surnames from records in Medieval England. Click here to explore the extensive research. Click Here >>
A New Series of SNPs in our L-48 Lineages
England bottleneckAfter a long dry spell, our three
L-48 groups have a new series of SNPs to sink their teeth into. The Z-series is beginning to reveal new information about our family history.  Click Here >>
Many Thanks to Our Research Partners
sinclair_dnaIt's impossible to imagine covering so much history without the help and inspiration of many friends along the way. That list is growing, as you'll see here. Thanks so much to all of you. Click Here >>

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