1891 - RG12/4294/79/5
Robert & his wife Fanny are lodging in Hawkesdale with Tamar Brown (age 25) & family - presumably this is his sister Tamar?
1901 - RG13/4872/79/5
Chalk Bottom, Dalston
Robert Warbrick Head M 32 Farm labourer Worker Lancaster
Fanny Warbrick Wife M 30 Cumberland, Wigton
William Warbrick Son 8 Scholar Cumberland, Workington
Martha Warbrick Dau 7 Scholar Cumberland, Hertwind
John Warbrick Son 5 Scholar Cumberland, Dalston
Fanny Warbrick Dau 3 Cumberland, Workington
Isabella Warbrick Dau 10 months Cumberland, Workington
Next door at Chalk Cottage is
Henry Graham Head M 75 Farm Labourer Worker Cumberland, Kirklington
Isabella Graham Wife M 52 Cumberland, Dalston
Thomas Warbrick Grandson 4 Cumberland, Dalston
plus Tamar Brown and her husband and children
So it must be possible that Isabella Warbrick became Isabella Graham

Linda