Thanks for prompt response, Alison. You have come to the right place with this query. The Bournea parish lies at the heart of the territory of the old Gaelic clan O'Meachair, and as you so rightly pointed out the Maher / Meagher surname is everywhere here! There are so many modern-day Maher families that locally some of the different branches of Mahers have nicknames to help sort them. That Maher family you mentioned in Shanakill are known as Maher 'Red'. Bournea Reaching Out has a long-term ambition to untangle the threads of the many nineteenth century Maher / Meagher families in this and neighbouring parishes.
You mentioned a bit of confusion around Martin going to Canada and returning to Ireland, and then you have his marriage in Ireland followed by his daughter's migration to England, so the first step would be to review that line with our volunteers to ensure that we have the correct Martin Maher. If you are descended from Martin Maher 'Red' of Shanakill b1841, then your Margaret and mine are not the same person, but you probably ARE distantly related to one of our highly skilled genealogy volunteers who is descended from Martin's brother John. This volunteer incidentally is also my third cousin on a different family line, not our Mahers. I can check with her whether you are a DNA match to her on Ancestry - unless you use an alias on Ancestry that we would not recognise. However, I have already checked her first cousin's Ancestry matches fairly thoroughly and you don't appear to be on that list, at least not under a name I would recognise as you.
If you're up for the challenge, we have the capacity to help with some detailed picking through your Maher line, using traditional genealogy, DNA matching and that most valuable of resources, local knowledge. We meet on the first Tuesday of every month except January, in a 'hybrid' meeting with half the group face-to-face in the local community hall and the rest of us on Zoom from our homes in Ireland, USA and Australia. Our December monthly meeting was yesterday, so our next formal meeting will be Tuesday 3rd February, and you would be welcome to join that or a later meeting from wherever you are in the world (England?). With the Christmas season almost on us, I suggest you strike while the iron is hot and email now what sources you have on Martin, his parents, siblings and descendants to bourneareachingout@gmail.com so that some among our volunteers (probably including myself) can start investigating. Also, if you have access to your Ancestry account where you DNA results are held, transferring your raw DNA data from Ancestry to our project is easy and our DNA project manager will happily send you the written instructions, or one of us will guide you through the steps if you prefer.
When you email, it would help if you mention that you and I have already been corresponding on the Ireland Reaching Out message board. In the meantime, I will see if I can get the webmaster to transfer this whole thread to the Bournea parish message board, which is where I originally posted my opening message before it was relocated when the old website was closed and this site launched years ago.
Some of us will be excited to explore your Maher line, and we look forward to hearing from you by email.
Kind regards again from Chris Timoney, Bournea Reaching Out volunteer.