Margaret Nicholson was the daughter of James Nicholson and Mary Molyneux.

Margaret was born in 1815.

Margaret married Robert Critchley on Sunday 7 August 1842 in Farnworth Church, Widnes, Lancashire.

She had the following children from her marriage to Robert Critchley:

- Mary Ann Critchley	born on 26 March 1843 in Warrington, Lancashire.
- Elizabeth Critchley	born on 6 April 1845 in Warrington, Lancashire.
- Sarah Jane Critchley	born on 3 January 1847 in Warrington, Lancashire.
- Hannah Critchley	born on 27 January 1849 in Warrington, Lancashire.
- Thomas Critchley	born on 5 September 1852 in Warrington, Lancashire.

Details of Margaret's death are not known.

Census Data:

Year	Address
1841	Winnwick Street, Warrington, Lancashire.
1851	Winwick Street [2], Warrington, Lancashire.