This is an extract from the 1881 Census Returns for Northumberland which includes Ancroft.
Living at number 5 Ancroft Village is Isabella Spence. She was the head of the household, unmarried and was 60 years old. Her occupation was that of an Agricultural Labourer and she was born in Ancroft Parish in Northumberland.
Census Returns are an excellent source when doing family history. The Northumberland Record Office holds microfilm and microfiche copies of the Northumberland Census Returns from 1841 to 1901.