14 Mar 1841 Ann Mather married William Mather. This appears to have been her uncle (i.e. her father's younger brother),
12 Jan 1858, Ann Mather (46, Widow), from Billinge, daughter of Joshua Mather deceased married William Peach (28), a labourer from Liverpool at Billinge, St Aidan.
In 1861, William and Ann Peach (31 & 53) were at 1 School Brow, Chapel End, Billinge with with Margaret (17), William (15), Sarah (13) and Tabatha (27)
In 1871, William and Ann Peach (48 & 63) were at 1 School Brow, Chapel End, Billinge with with Margaret Neville (27), William (25), Sarah (23) and Margaret's daughter Ann Neville (6).
William's (much older) wife Ann died in 1876. Three months after she had died, William married his step-daughter Margaret in Liverpool.