Census 1851
Living in Pilton St, Pilton, Devon
Allen SMYTH, currier, aged 16, b Torrington Devon, living with parents George SMYTH, cordwainer, age 49 b Marwood, Devon, Ann SMYTH age 49 b Huish Devon, sister Elenor SMYTH, dressmaker, age 19 b Marwood Devon.
I can't see them in 1841 or 1861 but I've only had a quick look.
Cheers, Judith