Thomas Robertson (1805-1882) cabinetmaker, upholsterer, auctioneer, &ct, lived in Castleside House on Narrowgate. He was undertaker for the funerals of the third, fourth and the fifth Duke of Northumberland. He designed the Borough School and the Corn Exchange. His sawmill at Waterside (opposite Alnmouth) processed imported timber. He had premises in London, and manufactured for other retailers. He died in 1882 at home (Thornhill, on Alnmouth Rd) and is buried in Alnwick Cemetery.