Since this posting I have learned that Mary and John had a son Walter B. Rutherford (my guess is that the B stands for Braidwood) who was born in 1869 in Quebec.I have no idea what they were doing there at the time and the other children's birth records I haven't located, only the dates from the cemetery's headstone.
Walter B. Rutherford married Jessie Murray Oliver who was the daughter of George Oliver and Janet Rutherford.(I can find no other connection to the two Rutherford families.)Walter is buried in Mountview Cemetery in Galt, Ontario, Canada but I will have to visit the cemetery again to find where.
I am beginning to think that the W C Rutherford that is listed in the first post (above) is actually the great nephew of the Janet Rutherford who is the mother of Jessie.I know this all sounds very confusing but the families all had farms very close together and if there were a connection between them then possibly they may have buried one with the other.WC Rutherford is actually William Cornell Rutherford s/o John K. Rutherford and Elizabeth Henderson....
Sorry this sounds so confusing.If any of these names are sounding familiar please be in touch and we'll try to straighten it out.