Mary Clark
born April 1835–April 1836
  in Witton Gilbert, Co. Durham
died January–March 1885
  in Chester-le-Street, Co. Durham

1841 census: living with parents and siblings in Witton Gilbert. Aged 5, born in county.

1851 census: living with parents and siblings in Witton Gilbert. Aged 15, born in Witton Gilbert.

1861 census: living with parents and sister on Newcastle Row, Framwellgate Moor. Aged 25, born in Witton Gilbert. Occupation is dressmaker.

1881 census: living with husband and daughters in Chester Moor, Chester-le-Street. Aged 44, born in Framwellgate Moor. (Details from Jeff Johnson.)

1885: died aged 49 in the March quarter (recorded in the Chester le S. district, 10a306).