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Thread: Does an FMS match mean we have a common maternal ancestor?

  1. #1
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    Does an FMS match mean we have a common maternal ancestor?

    While I'm saving for the holiday FTDNA sale I have a question about full mtdna matches: Just as the title asks, if i find one or more complete FMS matches (HVR1, HVR2, and CR) is that definitive proof we have a common maternal line ancestor? TIA
    Interesting factoid: My user name, Stone Meadow, is a translation of my Old English given name, Hidden Content .
    Known Paper Trail: Paternal line emigrated from England in 1667. Maternal (Patrilineal) line emigrated from Scotland in 1648.
    Y Haplogroup: I1>M253>DF29>Z58>Z59>Z60>Z140>Z2535>YSC0000261>S19 90 [FTDNA Big Y-700 batched 11/11/2019 in batch 1022]
    mtHaplogroup: H1c2 [FTDNA FMS completed 11/15/2019]

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     C J Wyatt III (10-08-2019),  rms2 (10-12-2019)

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    I think yes, but it could be eons in the past and before recorded history

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    Quote Originally Posted by Jenny View Post
    I think yes, but it could be eons in the past and before recorded history
    I've only seen a few cases where the results gave a real clue for a close relationship. It is good information to have if you can afford the test, but don't let your expectations get too big.

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    Thank you for the replies. I could not find the answer prior to asking the question here, but last night dug into FTDNA's FAQs and came up with this page, which gives a 95% chance of a common maternal ancestor within 550 years for a FMS match. Thanks again!
    Interesting factoid: My user name, Stone Meadow, is a translation of my Old English given name, Hidden Content .
    Known Paper Trail: Paternal line emigrated from England in 1667. Maternal (Patrilineal) line emigrated from Scotland in 1648.
    Y Haplogroup: I1>M253>DF29>Z58>Z59>Z60>Z140>Z2535>YSC0000261>S19 90 [FTDNA Big Y-700 batched 11/11/2019 in batch 1022]
    mtHaplogroup: H1c2 [FTDNA FMS completed 11/15/2019]

  7. The Following 2 Users Say Thank You to Stone Meadow For This Useful Post:

     C J Wyatt III (10-08-2019),  Jenny (10-09-2019)

  8. #5
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    FTDNA has an alternative definition which you only see after you get your results. This alternative is consistent with the published scientific work which gives one mutation on average per hundred generations so roughly 2500yrs. But the mutation has to happen between generations so it could be recent but it could also be 5-10 thousand years ago. The spread is wide.

    So yes you will be related, in the same continent (if Old World) but rarely in historical time even with zero difference on FMS. You may find your 0GD matches in the same country but that is rare.
    Image “Westray wifie” replica of Neolithic figurine Hidden Content
    Out of 64 pre 1800 births 45% Cheshire, 1% Irish (or Scottish), 25% south Derbyshire, 13% Burton on Trent area (where 4 counties within 10 miles), 7% Shropshire, 1% Staffs, 8% Lancs. So far all British Isles despite what some testing companies say.

  9. The Following 2 Users Say Thank You to Judith For This Useful Post:

     C J Wyatt III (10-18-2019),  palamede (10-20-2019)

  10. #6
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    Thank you, Judith, for you insights. I have previously noted on this forum that I am interested in my maternal line. Not to be confused with my maternal-patrilineal line (tho I'm interested in that as well, and have centuries of data about it). Thus far I have made it back 9 generations of mother, grandmother, and great-grandmothers. All have what appear to be English, Scottish, or Irish looking surnames, and hence paternal heritages, but they all form one line of women, mother-to-daughter (with me being the exception, of course!)

    I ran into a roadblock in 1720 that I have not been able to get around, so am diversifying my search from the paper trail to include FMS, where I am confident a perfect match is at least as strong a match as a perfect Y-chromosome match would be for a male antecedent. Anyway, I am eagerly awaiting FDNA putting their FMS on sale next month, so I can nail down my mt-Haplogroup with greater certainty.
    Interesting factoid: My user name, Stone Meadow, is a translation of my Old English given name, Hidden Content .
    Known Paper Trail: Paternal line emigrated from England in 1667. Maternal (Patrilineal) line emigrated from Scotland in 1648.
    Y Haplogroup: I1>M253>DF29>Z58>Z59>Z60>Z140>Z2535>YSC0000261>S19 90 [FTDNA Big Y-700 batched 11/11/2019 in batch 1022]
    mtHaplogroup: H1c2 [FTDNA FMS completed 11/15/2019]

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