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Lineage and Results of Y-DNA Testing Patrilineal Descendants of Thomas THOMPSON (1797-1872)
My GGG-grandfather, Thomas THOMPSON (1797-1872), of Christian [now Todd] Co., KY, Boone Co., MO, Monroe Co., MO, and Santa Clara Co., CA, has been a genealogical brick wall for his descendants for decades.  The only recent advance has been to identify his father as Peter THOMPSON (c1765-c1840), about whom little is known.  It is my hope that Y-DNA testing will at least tell us in which THOMPSON family we belong.

After years of searching, in May of 2008 we found a patrilineal descendant of Thomas who consented to being Y-DNA tested, but he had no significant match.  Now, in February of 2012, we have results returned for a second descendant of Thomas, and they are a tight match, supporting that they do, indeed, have a near common ancestor on their patrilineal line.  Both men are descended from Thomas's son, John Alexander Campbell THOMPSON.  We still seek another patrilineal descendant of Thomas for testing, one who descends through some son other than John A.C.

Results from the first descendant show he is Haplogroup I1f1 (= I-L338), which is consistent with an old newspaper clipping stating that Peter THOMPSON was a Dane.  Haplogroup I1 is sometimes called the "Viking" haplogroup because of its high concentration in southern Scandinavia and northwestern Europe (see map below right).

We now have four individuals (these two men, plus myself and another first cousin) who have taken the FamilyFinder test, and results support that we are 3rd or 4th cousins (see this page for discussion).  I urge all descendants of Thomas THOMPSON (male or female) to take this test.

  
Y-DNA Haplogroup I1 SNPs and Subclades
Mutations Haplogroup
ISOGG FTDNA
M170=PF3715 P19_1-5 L41=PF3787 M258 P212 P38 PS76 U179 I I
____ M253 L64 L75 L80 L81 L118 L121=S62 L123 L124=S64 L125=S65 L157.1 L186 L187 L840
M307.2=P203.2 M450=S109 P30 P40 S63 S66 S107 S108 S110 S111		 I1 I1
____ DF29=S438 I1-a  
____ Z2336=CTS6364 I1-a1  
____ M227 I1-a1a I1b 
____ M72 I1-a1a1 I1b1
L22=S142 I1-a1b I1d
____ P109 I1-a1b1 I1d1
L205 I1-a1b2 I1d2
L287 I1-a1b3 I1d3
____ L258=S335 I1-a1b3-a I1d3a
____ L296 I1-a1b3-a1  
L300=S241 I1-a1b4 I1d4
L813=Z719 I1-a1b5  
L211 [private] - I1e
Z58=S244 I1-a2   
____ Z59=S246 I1-a2a  
____ Z60=S337 Z61=S439 Z62 I1-a2a1  
____ Z140 Z141 I1-a2a1-a  
____ Z2535 I1-a2a1-a1  
____ L338 I1-a2a1-a1a  
Z2538=CTS10937 I1-a2a1-a1b  
F2642 I1-a2a1-a2  
____ L592 [private: STRAUB family]     
Z73 I1-a2a1-b  
L573 I1-a2a1-c  
L1248 I1-a2a1-d  
____ L803 I1-a2a1-d1  
Z382 I1-a2a2  
S296=Z138 Z139 I1-a2b  
____ Z2541 I1-a2b1  
Z63=S243 I1-a3  
____ L1237 I1-a3a  
Z131 I1-b  
P215 I2 I2
The FTDNA and ISOGG Y-DNA haplotrees once differed substantially, but are gradually reaching total agreement.
Distribution of Y-DNA Haplogroup I
Distribution Map of Haplogroup I, released to the public domain by Hxseek at Wikipedia.
Image released to the public domain by Hxseek at Wikipedia.
Labels in white are the SNP mutations; percentages are the frequency of Haplogroup I in the population.  Haplogroup I1 is concentrated in Scandinavia and northwestern Europe; Haplogroup I2 is concentrated in the Balkans and southeastern Europe. SNPs that appear on the map, but not in the chart at the left, are Haplogroup I2.  Hopefully, this map will be updated to include L338 and other recently discovered SNPs.
To view more of the page without scrolling, temporarily reduce the text size or page size in your browser.  Red labels indicate markers that typically mutate more frequently than those labeled in black.  (Empty cells that are darkened indicate tests not ordered.)  Keywords for search engines: genetic genealogy.
To view the subjects' lineages, please scroll to the right.
Surname Kit# Ysearch
UserID		   Panel 1 — Standard Markers 1-12   Panel 2 — Standard Markers 13-25   Panel 3 — Standard Markers 26-37   Panel 4 — Standard Markers 38-67   Panel 5 — Standard Markers 68-111   Known Lineage
STR PP3 PP5 MP6 MP7 MP8 MP9 [mixed] MP10 [EA] MP11 [SMGF] MP12 [all new] MP13 [mixed]
3
9
3		 3
9
0		 19
/
3
9
4		 3
9
1		 a
|
3
8
5		 b
|
3
8
5		 4
2
6		 3
8
8		 4
3
9		 i
|
3
8
9		 3
9
2		 ii
|
3
8
9		 4
5
8		 a
|
4
5
9		 b
|
4
5
9		 4
5
5		 4
5
4		 4
4
7		 4
3
7		 4
4
8		 4
4
9		 a
|
4
6
4		 b
|
4
6
4		 c
|
4
6
4		 d
|
4
6
4		 4
6
0		 H4
|
G
A
T
A		 IIa
|
Y
C
A		 IIb
|
Y
C
A		 4
5
6		 6
0
7		 5
7
6		 5
7
0		 a
|
C
D
Y		 b
|
C
D
Y		 4
4
2		 4
3
8		 5
3
1		 5
7
8		 a
|
S1
3
9
5		 b
|
S1
3
9
5		 5
9
0		 5
3
7		 6
4
1		 4
7
2		 S1
4
0
6		 5
1
1		 4
2
5		 a
|
4
1
3		 b
|
4
1
3		 5
5
7		 5
9
4		 4
3
6		 4
9
0		 5
3
4		 4
5
0		 4
4
4		 4
8
1		 5
2
0		 4
4
6		 6
1
7		 5
6
8		 4
8
7		 5
7
2		 6
4
0		 4
9
2		 5
6
5		 7
1
0		 4
8
5		 6
3
2		 4
9
5		 5
4
0		 7
1
4		 7
1
6		 7
1
7		 5
0
5		 5
5
6		 5
4
9		 5
8
9		 5
2
2		 4
9
4		 5
3
3		 6
3
6		 5
7
5		 6
3
8		 4
6
2		 4
5
2		 4
4
5		 A10
|
G
A
T
A		 4
6
3		 4
4
1		 1B
07
|
GG
AA
T		 5
2
5		 7
1
2		 5
9
3		 6
5
0		 5
3
2		 7
1
5		 5
0
4		 5
1
3		 5
6
1		 5
5
2		 7
2
6		 6
3
5		 5
8
7		 6
4
3		 4
9
7		 5
1
0		 4
3
4		 4
6
1		 4
3
5
Hg I1 (= I-M253) Modals   13 22 14 10 13 14 11 14 11 12 11 28   15 8 9 8 11 23 16 20 28 12 14 15 16   10 10 19 21 14 14 16 19 35 37 12 10   11 8 15 15 8 11 10 8 9 9 12 23 25 15 10 12 12 16 8 13 25 20 13 13 11 12 11 11 12 11   32 12 8 17 12 24 27 19 11 12 12 13 11 9 11 11 10 12 12 31 11 13 21 16 11 10 23 15 19 11 24 17 13 15 25 12 21 18 12 14 18 9 12 11    
Hg I1f1 (= I-L338) AS1 Cluster Modals   13 22 14 10 13 14 11 14 11 12 11 28   15 8 9 8 11 22 16 20 26 12 14 15 15   11  9 19 21 15 15 16 19 35 36 12 10   11 8 15 15 8 11 10 8 9 9 12 22 25 15 10 12 12 16 8 13 26 20 13 13 11 12 11 11 12 11   32 12 8 17 12 24 27 19 11 12 12 13 11 9 11 11 10 12 12 31 11 13 21 16 11 10 22 15 19 11 24 17 13 15 25 12 22 18 12 14 17 9 12 11    
                                         
THOMPSON 122567 MCPYG   13 22 14 10 13 13 11 14 11 12 11 28   15 8 9 8 11 22 16 20 28 12 15 15 15   11  9 19 21 17 15 16 19 35 38 12 10   11 8 15 15 8 11 10 8 9 9 12 22 25 15 10 12 12 15 8 13 26 20 13 13 11 12 11 11 12 11   35 12 8 17 12 25 27 19 11 12 12 13 11 9 11 11 10 12 12 31 11 13 21 16 11 10 21 15 20 11 24 16 13 15 25 12 23 18 12 14 17 9 12 11   Pvt6, Vernon Eugene5, Milton Cicero4, John Alexander Campbell3, Thomas2, Peter1 THOMPSON
WINTER 220582     13 22 14 10 13 13 11 14 11 12 11 28   15 8 9 8 11 22 16 20 28 12 14 15 15   11  9 19 21 17 15 16 19 35 38 12 10   11 8 15 15 8 11 10 8 9 9 12 22 25 15 10 12 12 15 8 13 26 20 13 13 11 12 11 11 12 11   35 12 8 17 12 25 27 19 11 12 12 13 11 9 11 11 10 12 12 31 11 13 21 16 11 10 21 15 20 11 24 16 13 15 25 12 23 18 12 14 17 9 12 11   Pvt7, Jack Berkeley WINTER6, Lester Parker5, George Harrison4,
#122567 and #220582 are matching at a very high level (110/111) confirming they have a near common ancestor on their patrilineal lines.  (The latter is surnamed WINTER because his father was given his stepfather's surname, but genetically, he's a THOMPSON.)
With only two individuals tested, we can't be certain which value is modal (ancestral) for the family at DYS454b (magenta table cell).  For the present, I'm going to assume 14 is the ancestral value because it is the modal value for Haplogroup I1, which means the mutation occurred in the patrilineal line of #122567 somewhere downstream of John Alexander Campbell.  The testing of a brother and a first cousin would tell us where.

We are now seeking a third patrilineal descendant of Thomas THOMPSON for DNA testing.  If you are such a descendant or know of one, please contact me.  Depending on how you connect to Thomas, the project may be willing to subsidize your testing, in whole or in part.  We especially seek someone who does not descend through Thomas's son, J.A.C. THOMPSON. 
FamilyFinder test results have returned for both individuals, and they are matching at levels expected for their known relationship.  Likewise, both are a FF match with me at similar levels.
#122567 has been deep SNP tested with these results:
P30+ M253+ M21- M227- P259- L22- P109- L211-
The positive results for P30 and M253 prove he is I1.  The negative results for M21, M227, P259, L22, P109, and L211 rule out subclades I1a thru I1e. 

Other SNPs tested to aid in building the Y-haplotree:
V218+ Z58+ Z59+ Z60+ Z140+ L338+ L592- Z63- Z131- Z138- Z139- L800- L801-
FTDNA has not yet placed these SNPs on their Y-DNA haplotree, but ISOGG is classifying L338+ as I1f1.
#220582 has been deep SNP tested with these results:
M253+ M21- M227- P259- L22- P109- L211-
Results do not contradict those of #122567.
The Haplogroup I1 project has placed them in the AS1 (AngloSaxon-1) cluster.
        We don't know where in the line of #122567 the mutation from 14 to 15 occurred (magenta table cells), but it had to have been downstream of J.A.C.
Jack Berkeley's stepfather was a WINTER.
What constitutes a match?
Matches in other surnames are usually mere coincidence, so please ignore them — I'll let you know when you shouldn't!
For 12 markers: 9 or less is a non-relative; for 10-12 markers, please see this table compiled by FTDNA.
For 25 markers: 21 or less is a non-relative; for 22-25 markers,
For 37 markers: 31 or less is a non-relative; for 32-37 markers,
For 67 markers: 59 or less is a non-relative; for 60-67 markers,
For 111 markers: 100 or less is a non-relative; for 101-111 markers,
For any test:  0 matching markers, please contact NASA.
 
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