Oh that’s good.
She does fit in with that family and if you are sure of some of them it looks favourable.
I have tried to search back a bit but not much luck yet.
I think, if I recall, a Margaret O’Donnell was a witness to the marriage and you could look at godparents to see if there are any helpful names.
It might be best to get your part of the thread moved as a separate one. It might get noticed more then. Just click on ‘report to moderator’ indicating your first post.