Time for a Henderson / Jenkins investigation update.
Spoiler alert.
We have to look further afield for where the rascal who "met" Margaret McEwan around hogmanay 1813 belongs in the overall Perthshire Jenkins (Junkins) tree of James Junkin and Janet McGomrey, or even of James' parents, James Junken and Cathren McQueen.
We now know that us Hendersons share the branch R-BY19859 on the tree of mankind with the descendants of the siblings Patrick and Robert Jenkins / Junkin etc but are not descended from either of them. So there's another brother, nephew, uncle, 1st cousin or whatever of theirs who was around at the right time.
So if you know of any Jenkins (or variant) males who can claim direct male line descent from a descendant, or likely descendant, of any Jenkins with Perthshire origins, send them along to me, Lorna.
It's a long, slow slog exploring distant yDNA connections.
The slowest part being tracking down the hopefully relevant people to test.
On top of that, if they are indeed a yDNA match to the right people at y37, waiting for the BigY results to come in - usually around 2 more months on top.
Since the post on the excitement of the initial exact BigY match the results achieved in the interim look few and far between but have indeed told us plenty.
You can always follow the current status of the development of the BigY Perthshire/ Stirlingshire tested branches of the Jenkins (Junkin etc) haplogroup tree via the Family Tree DNA Discover project tool.
Annotated versions, snapshots over time, can also be found under a subset page of the Jenkins surname project on WikiTree. Hint, you can sort the images by ascending or descending date order.