Hi, the families you are researching are the same as mine.
Ranald McDonald and Penelope McDonnell 16-1 Lochiel) later moved to Renfrew
Flora McDonald married John Brennan:
John R. McDonald is Flora's brother (married Helen Toner?)
John McDonald and Isabella McGillivray
These folks are all buried at St. Alexanders Cemetery in Sand Point.

Ranald is the son of John McDonald and Isabella McGillivray
John McDonald is the son of Samuel and margaret McDonald who are buried at Malloch Rd. Cemetery
I am finding family members in James Allan and Deborah McDonald family tree " Ranald the Calf"