This is NOT Sarah Liversidge (as both Sarah's were alive in 1851) although she was from Lockwood.
20 Nov 1814, Sarah Wood married William Sykes at Huddersfield (and all their children were born there). Ann Wood was witness.
25 May 1817 Mary Ann was baptised at Huddersfield St Peter.
In 1841, William and Sarah Sykes (47 & 49) were with Mary Ann (24), Joseph (20), Lucretia (16), William (14), Martha (12), and George (9)
In 1851, Sarah Sykes (60, widow, born Lockwood) was Mary A (34), Martha (21), George (19) and married daughter Lucretia Chambers (26)