Barbara,
If you do not already have it here is the 1881 Census Information.

Tanglan Muir
Methlick, Aberdeen, Scotland
0203461,221,3,8
James RAE,M,54,M,New Machar,Aberdeen,Scotland,Head,Wood Sawyer (Journeyman)
Jessie RAE,M,53,F,Methlick,Aberdeen,Scotland,Wife
Jessie RAE,U,22,F,Methlick,Aberdeen,Scotland,Daur,Servant (Domestic) Unemployed
Simon RAE,,12,M,Tarves,Aberdeen,Scotland,Son,Scholar
Margaret RAE,,9,F,Methlick,Aberdeen,Scotland,Daur,Scholar
James MURRAY,,1m,M,Methlick,Aberdeen,Scotland,Grand Son

Also what might be Joseph Living at Chapleton Farm Methlick the farm of Widow Margaret COOPER
Joseph RAE,U,19,M,Methlick,Aberdeen,Scotland,Servant,Farm Servant

What might be your Jane living Methlick village in the home of John GORDON the manager of an institute.
Jane RAE,U,17,F,Methlick,Aberdeen,Scotland,servant,General Servant

What might be your Isabella living 6 Main Street Inverurie the home of George JACKSON a grocer.

Isabella RAE,U,27,F,Methlick,Aberdeen,Scotland,Servant,Cook Domestic Servant