I've found them, Ancestry has mis-spelt the name as "Simms".
1891
London Rd, Fowkes Terr, Alvaston
Samuel Simms Head M 38 - - - - Hand Beds, Marstow, Shelton Caroline Simms Wife M 29 Alvaston Ethel Priscilla Simms Daur S 7 '' Elizabeth Clark Serv S 73 Domestic Servant ''