Not sure if you ever got a reply to this inquiry.
Wm Weir Campbell is my GG Uncle. His parents were Archibald Campbell (1807-1877) and Marion Gemmill (1815-1887).
His marriage record, ( Ontario Archives, Marriages, MS932, Reel 11, Reg # 006811) states his parents names.
He had 12 Siblings
Ann Weir 1837-1923
James Weir 1861-1900
Margaret Ann 1863-
His parents came from Scotland some time in the 1820's. They were married 25 Dec 1829 in Lanark CO, Ontario.
I have William living in Patterson Tp, Parry Sound, Ontario in 1911 with wife and family.
(LAC, Ontario, District Name:Parry Sound, District Number: 108, Sub-district:Patterson, Sub-district Number:41, T-20391, Pg 5)
This may be old info to you since your posting. If i can be of any help, i can be reached at email@example.com
Robert Wm Prentice UE