It appears that Mary never actually got married, even though she had a whole clutch of children. She seemed to have preference for naming her children to include the fathers surname ... so she probably "met" Mr Park and Mr Lister before she "met" Mr Metcalfe.
Mary didn't actually marry Mr Park ... although in this case Park may have been from her mother ... or a close relation ... eeeuuu!
Mary didn't actually marry Mr Lister.
Mary didn't actually marry Matthew Metcalfe.
 
She appears to have had 10 illegitimate children, at least 8 of which being born and baptised at Mallerstang near Kirkby Stephen, Westmorland.
 
 
1822 Born at Rookby, Westmorland
17 November 1822 Baptised at Kirkby Stephen, Westmorland
1851 Census Living with son Edmund Lister at Silsden, Yorkshire.
1861 Census Living with Matthew Metcalfe and family at Castlethwaite, Mallerstang, Westmorland. General Servant.
1871 Census Living with Matthew Metcalfe and family at Castlethwaite, Mallerstang, Westmorland. Housekeeper.
1881 Census Living with Matthew Metcalfe and family at Castlethwaite, Mallerstang, Westmorland. Farmers wife.
1881-1891 Matthew Metcalfe died.
1891 Census Living with daughter Margaret and family at Appleby, Westmorland. Supported by son.
1891-1901 Died