This could be the family in the 1901 Census.
Alexander Mcmaster, 41, Head. Born in Ireland. Agricultural labourer. Living on Robbie'sland in the Plowman's House. Lanarkshire.
Elizabeth McMaster, 32, wife. Born in Ireland.
Mary McMaster, 13, daughter. Born in Ireland.
William McMaster, 7, son. Born in Ireland.
Elizabeth McMaster, 5, daughter. Born in Ireland.
Matilda McMaster, 3, daughter. Born in Ireland.