This is an extract from the 1881 Census Returns for Northumberland which includes Warkworth.
Living at Tile Works Cottage is William Lillie. William, aged 62 years, was the head of the household. Living with him were his wife and grandson. His occupation was that of a Freestone Quarryman and he was born at Lucker 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.