I believe we may have been in touch before, so apologies if I'm revisiting old territory.
Have you come across information about Ephraim Doolittle, who married Abigail Batty? Ephraim was brother of Elisha and son of Moses, so brother of your Isaac. I'm related to the Battys and trying to find out more about Ephraim and Abigail, more specifically where Abigail's family was from and how she was related to the other Battys in Haldimand Township at that time.
Ephraim and Abigail had two children, and I have information on them if you are interested and don't already know this.