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Doucet DNA
  1. Keith Doucet

Confirmed C3b Y DNA Test Results Test the Heritage of Cajun Cousin Keith Doucet Marie Rundquist with Keith Doucet
When Keith Doucet initially elected to have his Y DNA tested with Family Tree DNA as a member of the Amerindian Ancestry out of Acadia Project in the summer of 2008, he was interested in comparing his results with others that had been published for the Doucet surname. A Y-DNA surname study is a great way to locate family members and Keith was looking to do the same, along with discovering new information about his own paternal-line ancestry.

After completing his test, Keith Doucet returned his kit to Family Tree DNA and awaited a result that he was certain would compare closely to the others that had been published, which were, without exception, showing expected Western
European origins. He had researched his family lines carefully, following a paper trail that traced his genealogy from the heart of Cajun Country, Louisiana, to an early Acadian settlement in 17th-century Port Royal, Nova Scotia. Keith's Doucet surname features strongly not only in the Cajun family lines of Louisiana, but in the history of Nova Scotia – and the Doucet name can be found on the street names, mailboxes, business names, and names of towns throughout present-day Nova Scotia.

However, the results Keith received in early February of 2009 did not match his expectations – nor did they match the Doucet/Doucette Y DNA test results published in other surname studies. Instead, his results were shown to be of the “C3” Y DNA haplogroup, following a refinement by Family Tree DNA of his initial haplogroup “C” finding. Keith was now in a quandary. His genealogy had been verified several times over in the records; his immediate family included generations of living Doucets, who testified to his parentage. Grave markers, marriage and baptismal records, and meticulously maintained family genealogies added up to a Doucet lineage that neither he, nor his family, questioned. During the year that followed, Keith researched his DNA test results, noting the C3b haplogroup matches that appeared in his Family Tree DNA project profile described a Native American ancestry. He read the published research regarding the wide-ranging C3 haplogroup and the various subtypes that would distinguish his paternal origins. He joined the C/C3 Family Tree DNA haplogroup study and compared his results with others that had been compiled – going as far as to posit that his haplogroup may have been of a Mongolian origin, an idea that he put aside when he was not able to match his results with Genghis Khan's. Questions poured in from project members, genealogists, and family relations alike. Was he sure that he was a Doucet? Was his C haplogroup a valid type? Did he really suspect that his ancestor's surname, Doucet, could have been held by a Native American? (Cont'd)

Keith Doucet
(Cont'd)...To all questions, Keith answered, “yes,” standing behind his results, his documented lineage and his historic family name – a name that his father had passed to him along with his deep-rooted Cajun ancestry.

As stated earlier, Keith had observed that the C3b result, which pointed to a confirmed Native American heritage, appeared in his list of matches. In January of 2010, the Amerindian Ancestry out of Acadia Family Tree DNA project sponsored the additional Family Tree DNA deep subclade tests for Keith and two other project members, whose C3 Y DNA test results, and matches, indicated a Native American heritage. At the same time that Keith Doucet pursued his quest, other project members were seeking the same information about their own surprising C3 results, and when Keith's subclade tests results arrived in February of 2010, his were the second in the project to resolve to this same, published C3b (P39) subclade. And so, his heritage tested, Keith is now assured of his Native American ancestry through his father's paternal family line and has engaged other direct family members in testing as well.*

Keith Doucet publishes the following paternal line information and invites Doucets whose paternal line ancestries compare to his to have their Y DNA tested:

Germain Doucet + Marie Landry
Laurent Doucet + Jeanne Babin
Laurent Doucet + Marie Pellerin
Michel Doucet + Marguerite Martin
Joseph Doucet dit Hilaire + Anne Landry
Joseph Doucet + Celeste Bellard
Joseph Doucet + Carmelite Richard
Charles Doucet + Caroline LeBleu
Gregoire Doucet + Amelie Lejeune
Laurent Doucet + Lesimaine Lejeune
Leonce Doucet + Ada Opry
Floyd Doucet + Ann Arledge
Keith Doucet

Please contact Keith Doucet for more information, and to order your kit, please visit the Amerindian Ancestry out of Acadia Family Tree DNA project.

Update 3/23/2018: Click here for a newly revised and updated analysis of the C-P39 Y DNA project.

Update 9/7/2017: Through exhaustive Y Chromosome DNA testing of numerous male, paternal line Doucet / Doucette descendants of Germain Doucet b. 1641, who was from Port Royal, Nova Scotia, Canada, our Acadian-Amerindian and C-P39 Y DNA projects have uncovered, validated, and then verified a Native American Y Chromosome DNA haplogroup signature (originally referred to as haplogroup C3b and now referred to as haplogroup C-P39) for his descendants– through sons Charles, Claude and Laurent.

The discovery of a Native signature for descendants of Germain Doucet b. 1641 by our projects (the first descendant of this line having tested with the Acadian-Amerindian DNA project in the Summer of 2008) had great significance for the descendants of Germain Doucet b. 1641 because the Native Y DNA signature attained for this line (1) disproved a European ancestry for Germain Doucet b. 1641, (2) disproved a father-son relationship between Germain Doucet b. 1641 and Germain Doucet Sr. of France and (3) disproved that Pierre Doucet (b. ca 1621) and Germain Doucet (b. 1641) were blood brothers having descended from the same father.

Having the Native Y DNA haplogroup signature for this line also helped correct errors that have since been discovered in genealogies for Doucet men who were thought (at one time) to have descended from Germain Doucet b. 1641, but, through Y DNA testing, were discovered to have descended from Pierre. As a result of this finding, Doucet descendants question the relationships of individuals once thought to be the offspring of Germain Doucet Sr. of France as well.

References for Native, Y chromosome DNA findings for descendants of Germain Doucet b. 1641 are here:

Copyright 2018, Keith Doucet and Marie Rundquist

Click to download "C3b Y Chromosome DNA Test Results Point to Native American Deep Ancestry, Relatedness, among United
States and Canadian Study Participants by Marie Rundquist," August, 2012.