I think I have her in the 1851 and 61 for information:
1851 census transcribed as Hegwood:
Heaton Fold, Marsh, Huddersfield
All born Huddersfield
James Heywood, Head, Mar, 34, Watchman - Woollen
Sarah, Wife, Mar, 38, Huddersfield
Martha, Daur, 11, Scholar,
ANN, Daur, 7,
Frances, Daur, 5
Harriot, Daur, 2
1861
Franker? Lodge, Worksop, Nottingham
James Haywood, Head, Mar, 45, GAME KEEPER, Yorkshire Deighton
Sarah, Wife, Mar, 48, Yorkshire Colmbridge? (probably Colnebridge) Yorkshire
Harriet, Daur, 12, Scholar, Yorkshire Marsh
Mary Ann, Daur, 9, Scholar, Yorkshire Marsh
Ann is in service in Oldham, Lancashire
Ann Heywood, Serv, 17, House Servant Yorkshire Huddersfield.
We just need to find her in the 1871 now.
Regards,
Mo