In case it helps others, this is the 1881
RG11; Piece: 5267; Folio: 68; Page: 1
6, Caerau Road, St Woollos, Newport, Monmouthshire
Elizabeth Prosser 37 widow 37 Annuitant London, Middlesex
David H. Prosser 16 Clerk London, Middlesex
Elizabeth F. Prosser 15 Newport
John M. Prosser 11 Newport
Annie M. Prosser 6 Newport
Mary M. Prosser 4 Newport
Emma Davies 15 servant Newport