John Wilson, architect from Cumberland, lived in Guernsey 1813–1830, and designed some of the island's most iconic buildings, including Elizabeth College, St James, Castle Carey and the market buildings.
Victor Hugo (1802–1885), author of The Hunchback of Notre Dame; lived in self-imposed exile on the island for 15 years, during which he wrote Les Misérables; Toilers of the Sea was dedicated to the island
John Tapner (1823–1854), last person executed by Guernsey