Hello Chris,
Carol has probably followed them further than I did - I only have the Ancestry transcription of the 1901 Scotland census.
Name: Jane Raddiffe
Age: 84
Estimated Birth Year: abt 1817
Relationship: Grandmother
Gender: Female
Where born: Man, Isla of
Registration number: 562/1
Registration district: Eastwood Burgh
Civil parish: Eastwood
County: Renfrewshire
Address: 39 Stevenson Dr
Occupation: Living On Own Means
ED: 1
Household schedule number: 39
Line: 16
Roll: CSSCT1901_191
Household Members: Name Age
William Galloway 46
Ann J Galloway 44
Janet Galloway 19
William Galloway 17
Wilfred Galloway 15
Elizabeth Galloway 13
Charles Galloway 11
Lina Galloway 8
Dora Galloway 4
Mildred Galloway 2
Baby Galloway 1wk
Jane Raddiffe 84
ScotlandsPeople now has the 1911 census online for a small fee, which would give you an update.
Sue