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DNA extension to the One Name Study
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Jan 2018

As well as the 42 SNPs discovered below, there are still more locations that Garry and I have that are unnamed. I have 3 locations, and Garry has those three, plus 31 more. In looking through the data, it seems the three we share are from an unreliable area of the chromosome and so are discounted.

 The remaining 31 of Garry's BigY SNP results, also appear in my raw data, but the quality of my result was not as good as Garry, so although we share the same 34, my results are listed as questionable. It is likely with further analysis, possibly through YFull, these questionable results can be confirmed. This gives 42+34 new SNPs to be added between FGC15895 and the present. FGC15895  was formed around 10000 years ago, so the 76 new SNPs will fill that gap to our most recent common ancestor. 

This can only occur as more people on our branch test to the BigY level

Remember, tests are expensive, but you can donate to the project through our fund. As funds build, we can allocate those funds to upgrade someones test, or subsidise a new test participant in the project. If you are unable to test yourself, or just wish to help the project progress, visit the project home page, and make a donation, to enable another Strudwick to join and grow our research.

If you would like to test and join in the project, contact the project administrator, and we can advise on any support or special offers that may be available.

Jan 2018

In analysing our BigY results, Garry and I also have some locations where we differ from the 'standard' DNA strand, and these are new discoveries. They are new because no one else has ever tested as different, at these locations.  Where both Garry and I share the same result at these unnamed SNPs, there is the opportunity for us to have them named. In comparing Garry and I, I have found 42 locations where we match each other. These locations have now been sent to FTDNA and given SNP names. Only Garry and I have these SNPs, of everyone who has ever tested their Y chromosome. The new SNPs and there locations are listed below: 

BY32862 4936786 C to T
BY32863 5591430 G to A
BY32864 7040980 A to C
BY32865 7533253 T to G
BY32866 8173017 A to G
BY32867 8374714 C to T
BY32868 8461146 G to T
BY32869 8556084 T to C
BY32870 8816031 A to G
BY32871 8849215 G to T
BY32872 9289283 G to T
BY32873 10017659 C to T
BY32874 10017670 T to C
BY32875 11158415 T to C
BY32876 11310064 A to T
BY32879 11524468 A to G
BY32880 11529932 C to T
BY32883 12153945 C to T
BY32884 14281261 A to T
BY32885 14909548 G to T
BY32886 15196022 T to C
BY32887 15248843 G to A
BY32888 15272925 C to T
BY32889 15473294 A to T
BY32890 16673249 C to G
BY32891 16974559 T to A
BY32892 17094173 C to T
BY32893 17122233 G to A
BY32894 19715987 C to T
BY32895 19720490 C to G
BY32896 20001572 G to T
BY32899 20365574 T to C
BY32900 20409353 A to T
BY32901 20580746 A to G
BY32902 20795085 T to A
BY32903 21183472 C to T
BY32904 21484049 A to G
BY32905 21643941 G to A
BY32906 21685626 T to C
BY32907 21704068 G to A
BY32908 22308176 A to T
BY32909 22324154 G to C

Jan 2018

I have spent a few days comparing Garry and my results and made a few discoveries. The Big Y test looks at the Y DNA and records the chemical values along the strand and compares it with the "standard" test result. Areas that differ from the standard are the important bits we are interested in. Garry and I share thousands of locations where we are the same result, and many  of these differ from the "standard". Using these differences is how we are placed on the Haplogroup tree.  Where a particular location has been shown to regularly differ from the standard in several tests, it is given a name, such as M172, or FGC15985. These named locations (or SNPs) are the branches on the haplotree. Looking at all the named SNPs, places Garry and I at the haplogroup branch called FGC15895. 

Dec 2017

At last my BigY test results are in, and as expected they confirm Garry and I sit at the same position on the tree. 

Our haplogroup remains at FGC15895*. I had hoped to upload my results to YFull, for further analysis, but FTDNA have suspended the release of the raw data (BAM files) until they have completed the Hg38 transition, so probably until ealry March. As a result, any initial analysis of our BigY results i will have to do myself.

Sep 2017

BigY tests have been delayed, due to an upgrade of the way results are calculated and reported. FTDNA are changing from the old Hg19 system to Hg38. This affects the way that the test raw data is assessed, and should deliver a much more accurate positioning of testers on the Haplogroup tree. People who have already taken a BigY tests, (such as Garry), will have there results recalibrated to Hg38, and a new BAM file generated. Unfortunately those who have just ordered tests, such as I, face significant delays as the backlog of BigY conversions is completed

Aug 2017

Following Garry taking the Big Y test last December, I also have now upgraded my testing to include BigY. This should provide some additional insights, as BigY  results depend on making a comparision between two or more BigY tests Garry has been on his own on the tree, as there has been noone else on our branch tested at BigY. My test results should allow us to compare Garry and Myself, and find areas of commonality and difference.

Jan 2017

We welcome a new Y37 tester into the project. Peter Alan Strudwick from Worcestershire in the UK. His Strudwick ancestry winds its way back to Sussex, in Pulborough and Fittleworth, likely originating in Kirdford. His Kit has just been sent out, so will be a while before results are in,. It will be very interesting to see if he falls in the J-M172 group, and shares markers with Garry, Trevor and myself, or adds a new grouping to our family line.

Dec 2016

Garry has added additional testing to his results, being the first member of our project to undertake a BigY test. This test discovers many new SNPs that will become extremely useful when we have further BigY tests to compare. Currently Garry is the only person on FTDNA to have tested beyond J-M172/FGC15895.  

These tests are expensive, and Garry is taking the project into uncharted dna territory. This efortt will become much more valuable genealogically as more BigY tests are undertaken

July 2016
The STRUDWICK DNA Project has just received results for Garry, adding to the YDNA knowledge. See the results page tab for an update.

New participants are encouraged, particularly descendants of William Francis Strudwick and Martha Shepherd in the USA, and Thomas Strudwick and Ruth Naldrett in the UK.  The project can subsidise  one or two suitable male Strudwick participants for Y37DNA testing from these (and other) Strudwick families. 

For those interested in Haplogroups, I have refined my type slightly from the broad J-M172, now  J2a PF4610>L26>PF5087>PF5116>Z2227>Z6065>Z7532>FGC15901>FGC15895 through external testing on

The basic YDNA tests only give a main haplogroup, (in our project mainly J-M172, and I-M253). FTDNA offers additional tests to refine this further.

Garry is taking the J2-m172 Panel test and I will be surprised if he is not J2a PF4610>L26>PF5087>PF5116>Z2227>Z6065>Z7532 

Each of the SNP's above is a branch in the genetic tree,that brings us closer to the present.

 At the moment our branching is thousands of years in the past, but some Surname projects  that have done lots of testing have SNP's only several centuries distant. This is a new area for DNA genealogy.

Contact Marcus Strudwicke at   - we'd love to have you join and grow our project.

August 27 2015

More test results just in. with Trevor receiving his y37 test details.  Trevor and I share the same SNP's with only one variant. This suggests we are closely related, and should have a common ancestor traceable on paper.  This is great news, as it reinforces the likelyhood that most Strudwick's are ultimately descended from a common strudwick ancestor It could still be many generations ago, but within the timeframe of surnames. In the post below for May, I mentioned i had taken an additional test at YSEQ, to explore the JM172 haplogroup in more detail. Looking at Trevors results, it seems likely he probably shares the same haplotype Z7532, as I do.

Trevor also shares matches with the Elliott family, and although more distant, it is interesting that a link from the distant past connects the two families, and particularly the geographic links to Cranleigh and Wisborough Green. I have a similar match in my list of matches with members of the Crowden family,again these links are distant (genetic distance 4) but shown as matches by FTDNA, and trace ancestry back to Wisborough Green.   One thing is sure, more participants are needed to make meaningful conclusions about the DNA results.


August 2015

 Results are starting to come in now, with Darrell's Y37 test completed.  The genetic distance shows that we are related. but our common ancestor is a long time ago, many generations. It is also interesting that as with my results,  the Elliott name crops up as matches. The Elliots in question are from Cranleigh in Surrey, and Wisborough Green in Sussex, both strongholds for Strudwick's in the past.  Also shared with the Elliots is the JM172 Haplogroup. "Haplogroup J-M172 is found at highest frequencies in the northern Middle East, west of the Zagros Mountains in Iran, to the Mediterrean Sea. It later spread throughout central Asia and south into India. J-M172 is tightly associated with the expansion of agriculture, which began about 10,000 years ago." 

The significance of these connections will require more testers, to become meaningful, but perhaps it suggests that the connections between families date back to these earlier migrations.

June 8 2015

Privacy & Sharing

Since 2015, FTDNA sets privacy settings to default values that are not useful for Surname projects. 

 To allow sharing of Y-DNA results it is necessary to change the setting under Privacy Settings (top right hand of FTDNA user home page) 

 > My DNA Results - Select who can view your DNA results: 

         >>Who can view my DNA results in group projects? change to Anyone 

This is a very important setting to help Admins of Surname DNA projects and Geographical DNA projects best interpret the DNA results

May 31 2015

When I received my y37 results, FTDNA had also predicted my Haplogroup (HG) as J2-M172. As mentioned below, a haplogroup is a bit like a clan or group, like Vikings or Celts. It identifies our origins and migration patterns over tens of thousands of years. I decided I would seek further details of my HG, as J2-M172 is fairly unusual in the UK. I did further testing at another company called YSEQ, (their J-m172 panel) and this has refined my haplogroup further so I am now in haplogroup z7532. This subset of M172 is even more unusual for the UK. There are likely to be even more subsets to be explored, but I will have to save up for a BigY test to go any further.  

May 30 2015

Two of the new kits, (Darrell and Trevor) have been received at the lab. Darrell's has been batched (623) with results due in July. I recall mine took quite a bit longer than FTDNA predicted, but perhaps the lab is working efficiently now.

April 24 2015

Darrell Sommerville has joined today, and adds his STRADWICK ancestors from London to the mix.. Welcome.

April 23 2015

Welcome Trevor Strudwick, Another yDNA37 tester from the traditional home base of the Strudwick's, around the Surrey Sussex border.

April 17 2015

Welcome to Garry Strudwick, as the second tester. Garry has just ordered his Y37 test and we look forward to seeing whether his results and mine bear any similarity.

April 4 2015

My results are in for my Y37 test. As the first Strudwick, there was no expectation of matches. ( I did have a couple of distant matches with the Elliotts of Wisborough Green, but these are likely too far in the past to be significant)

The interesting finding was the predicted Haplogroup. (A haplogroup is a bit like a clan or group, like Vikings or Celts. It identifies our origins and migration patterns over long periods of time, perhaps 10000 or even 40000 years ago)

Haplogroups are predicted as part of the YDNA testing, and are not directly useful in the Surname study, but are of interest in looking at our deep ancestral history.

My predicted Haplogroup is J2-M172, which  originated in the northern portion of the Fertile Crescent where it later spread throughout central Asia, the Mediterranean, and south into India.

(I have decided to explore this further and so have ordered some further testing through an external company YSEQ)

I will keep you updated on what the test results show.

February 2015

We are just getting started and encourage you to join us in our discoveries.

Now this project has just commenced, and we want to get plenty of Strudwick related families on board so we can make meaningful connections.

As project coordinator, I was the first to test, and the first Strudwick in the FTDNA database.

As more members join, we will discover details of the broader family not available any other way.

As the research progresses it is likely we will identify key family lines that we need to test to confirm or refute assumptions based on documentary evidence. At this stage in the project I would encourage all Strudwick branches to get involved and have at least one male member of the family line tested, to see where they fit in the bigger Strudwick picture

Both the Y DNA and the mtDNA test results contain no personal information, and you will match or be a close match to those to whom you are related. This is an opportunity to learn more about your origins and ancestry. Both mtDNA and yDNA results can be analysed through this project website.

January 2015

The Strudwick DNA project is launched