Thinking on other lines you say he married an Alice from a large family in Cheddar. The two biggest familes with an Alice in Cheddar according to 1881 Census are as below;
Dwelling: Main Road Census Place: Churchill, Somerset, England Source: FHL Film 1341583 PRO Ref RG11 Piece 2424 Folio 38 Page 8 Marr Age Sex Birthplace Edmund J. STEPHENS M 41 M Charterhouse Rel: Head Occ: Farmer Mary STEPHENS M 36 F Charterhouse Rel: Wife Occ: Farmer Wife Alice S. STEPHENS U 17 F Cheddar Rel: Dau Occ: Farmer Daur Beatrice M. STEPHENS U 16 F Cheddar Rel: Dau Occ: Farmer Daur James E. STEPHENS U 14 M Cheddar Rel: Son Occ: Farmer Son (AL) Francis W. STEPHENS 11 M Cheddar Rel: Son Occ: Scholar George STEPHENS 9 M Cheddar Rel: Son Occ: Scholar Louis J. STEPHENS 6 M Cheddar Rel: Son Occ: Scholar Mary A. STEPHENS 4 F Churchill Rel: Dau Edmund G. STEPHENS 1 M Churchill Rel: Son Mary A. DOULING U 28 F Wookey
and
Dwelling: 44 Croydon St Census Place: Bristol St George, Gloucester, England Source: FHL Film 1341600 PRO Ref RG11 Piece 2490 Folio 100 Page 19 Marr Age Sex Birthplace William MITCHELL M 60 M Edinburgh, Scotland Rel: Head Occ: General Labourer Margaret MITCHELL M 44 F Bristol St Philips Rel: Wife James MITCHELL U 22 M Bristol St Philips Rel: Son Occ: Warehouseman Henry MITCHELL U 18 M Bristol St Philips Rel: Son Occ: Improver At Iron Foundry Alice SPERRING U 18 F Cheddar, Somerset, England Rel: Lodger Occ: Packer In Blue Works (Dye Vt)
I am interested in the Millard family as I have a William Chard 1738 M to Mary Millard in my tree, but I have no info on Mary.