Yes, Maude lived at 12 Forest Street, so we are talking about the same person.
I am taking some leave from work until early July, and will be spending some time trying to link my mother's main family lines to the ones on the periphery, like Far[r]ish. I am not very familiar with the Farrish family lines, so would like to find out more about them. If George T. was Maude's father, I believe he must have been born a decade or two before 1872, since I remember Maude as being in her 70's in the 1950's, so she would have been b. 1880's (?). Perhaps George was the oldest of a large family, so may have been 10-15 years older than your g-g-grandfather from PEI. Do you have any history of males of that time period being medical doctors ?
When I find more info, I will post it here for you. I know there is a lot of it available through local archives and library books.