Alister,
Your info is a bit difficult to follow, therefore, I have started with your grandmother's parents beginning with the first census after their marriage
1881:Bracheads, Buckie
James Reid 26 Fisherman
Jane Reid 25 Wife
William Reid 3 Son
*Maggie J Reid 11 Mo. Dau
Jane Innes 17 Servant
(* daughter Maggie born 1880 does not appear on any further census returns. Poss infant death)
1891: 19 Seaview Road, Buckie
James Reid 36 Fisherman. Born Buckie
Jane Reid 35 Wife. Born Buckie
William Reid 13 Son. Born Buckie
Jessie Reid 8 Dau. Born Buckie
Jeanie Reid 5 Dau. Born Buckie
James Reid 2 Son. Born Buckie
1901: 19 Seaview Road, Buckie.
Jane C Reid 45 Fisherman's wife
Jessie Reid 18 Dau. Domestic Servant
Jane Reid 15 Dau. Domestic Servant ( Census has her mistranscribed as age5)
James Reid 12 Son. Scholar
Can you confirm that James Reid ( husband of Jane Cowie) was the son of William Reid and Margaret Murray?