Sorry for the delayed response, but I feel as though I have been smitten with multiple Alexander Montgomeries! Lots of records, including DAR, have errors.
I want to focus on the y-dna. I have a very small area of competence in this area, but it is simple enough even I can understand it. When a person’s Y-DNA is taken we know he is a male because Y-DNA refers to the male DNA.
The very first separation or “grouping” is the haplogroup. Matching Y-DNA genes fall into this or that haplogroup. For example, if you have 100 people and you separate them into 10 groups, each group has a different title such as group A, group B, group C, etc because each group is distinct from the other groups.
So, with Y-DNA the separate groups of matching genes are called haplogroups. The most common haplogroups for Great Britain are Haplogroup I and Haplogroup R.( I have read that Haplogroup I is most common in Scandanavia and may be the Viking haplogroup.)
In any case, a father only passes his haplogroup to his male children. They do not belong to a different haplogroup from the father, nor do they “share” by having more than one.
Haplogroup I1
Now you said there was a father and son in this group. I would like to know where they are from , which Montgom and how they descend from which Montgomery.
Then we have William Montgomery’s descendant (John and Martha on Buck Creek) I like to have at least 3 samplings just as we have here.
Then we have Alexander of Buck Creek, but do not know what descent is claimed.ie through which child, etc
Haplogroup R1B1
The same Alexander of Buck Creek above you say also has haplogroup R1B1, but it is scientifically impossible. Alexander of Buck Creek is either this one or that one. And, how many samplings/matches do we have for this one which is impossibly shared? What descent do they claim?( I would have to ignore Alexander of Buck Creek entirely based on these criteria)
HaplogroupJ2
Michael Montgomery. Again, how many samplings? What is the family story?
Mike, this Y-DNA info is woefully lacking. You need not be upset by it because it makes no sense. On familytreedna the best dna evidence is presented alongside family information that starts with the Patriarch or earliest known ancestor for that Haplogroup of x number of matching dnas.
The project administrator usually has a team of family researchers who sort the family lines and tell the story of each.There is a great disparity among the families represented because some have the families separated into haplogroups with their stories and some don’t.
Kay