DNA Group 10
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International Lindsay DNA Group 10

A common geography for the composite Lindsays/Lindseys of DNA Group 10 has not been determined as of this posting.

William (Bill) Dennis Lindsey has been designated as the Group Administrator for DNA Group 10 and can be reached via e-mail by clicking on William Dennis Lindsey.  Bill is a very knowledgeable researcher for this grouping of Lindsays/Lindseys/Lindesay and should be your first contact for questions pertaining to DNA Group 10 genealogy.  If you are a member of or related to DNA Group 10, you might wish to contact Bill to see if he wishes to add your name to the private,  password protected web site that he has established for DNA Group 10 "cousins".

The DNA Group 10 is currently composed of four (4) participants.

L0002 has been removed from this grouping after testing for the expanded 43 markers and exceeding the maximum four mismatches out of 43 markers with this grouping.

Click on DNA Data Spreadsheet to view the DNA marker values for the current participants of DNA Group 10.

Participants L0019 and L0068 are known cousins and previously had one mismatch (25 matches out of the original 26 markers) at marker YCAIIa  between the two of them.  After a laboratory recalibration of marker YCAIIa for participants L0118 and L0019 from an allele of 18 to 19, all four participants of DNA Group 10 have a perfect (43 out of 43 markers) match.  From the traditional paper trail research, it has been determined that the Most Recent Common Ancestor (MRCA) for L0019 and L0068 is Mark Lindsey (1773 SC - 1847 AL), see the graphic below.

New participant L0153 has a NULL reading at marker DYS463 but is not considered a mismatch with the other members of DNA Group 10.

DNA Group 10 is to be commended for upgrading all participants to the expanded 43 markers.

From the genealogical data and the graphic below, it would appear that the time to the MRCA for DNA Group 10, will occur in the early 1700s in Scotland or Northern Ireland.

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Reference Notes

1. Proper Analysis of DYS389-1 & DYS389-2 Marker Mutations.

In analyzing the marker values in the table representing this DNA Group, it is important to remember the following in your analysis of loci DYS389-1 and DYS389-2 matches and mismatches.

1. The loci DYS389-1 and DYS389-2 are two legitimate lengths of DNA but move in tandem.
2. DYS389-1 refers to the length of only one portion of the DYS389 marker.
3. DYS389-2 refers to the total length of the DYS389 marker. Therefore, when there is a one step mutation at DYS389-1, it will also appear to be in DYS389-2.
4. When comparing one individual to another, if the values for two individuals differ by one repeat at DYS389-1, that represents a one-step mismatch.
5. If the values for the same two individuals differ also by one repeat at DYS389-2, then it should only be counted as one combined mutation for DYS389-1 & DYS389-2.
6. If the marker values for two individuals differ by one repeat mismatch at DYS389-1 and a two repeat mismatch at DYS389-2, then it should be counted as two separate mismatches or mutations.
7. There is another and potentially even more confusing situation that could occur at marker DYS389. If the marker values for two individuals differ by one repeat mismatch at DYS389-1 and then a perfect match at DYS389-2 for these same two individuals. This should be counted as two separate marker mismatches since the value mismatch at DYS389-1 was offset by a mutation in the opposite "direction" from the value found at DYS389-2 and appears to cancel out the mutation that occurred at DYS389-1.
8. However, keep in mind there can be a mutation at DYS389-2 that will not affect the length found at DYS389-1.

End of Reference Notes

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If you have any information that offers further clues, circumstantial, proven or otherwise, as to how any of these two Lindsey lineages are connected, please click on Bill Lindsey and send him an e-mail with your thoughts.

• This web page was initially posted: April 25, 2005

• This web page was last edited: October 25, 2007

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