This is an extract from the 1881 Census Returns for Northumberland which includes Cramlington.
Living at number 2 Fitters Row is William Wilkinson. William, aged 37 years, was the head of the household, married with three children. His occupation was that of a Plumber and he was born at Howick 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.