Hello, you will note that there are 2 1861 entries for Mary E and Sarah A Roberts. Their Mother Mary Robert (nee Lloyd) remarried in 1848 just after husband John died, to Lionel Lemon who was my great great grandfather.
1851 census living at Ruabon are Lionel Lemon aged 48 a Carrier, wife Mary Lemon 35 born Chorley, Cheshire, Louisa Lemon (d) 2, and step-daughters Sarah A Roberts 6, and Mary E Roberts 3.
1861 census staying at Bychlan Marsh, Whitford as visitors with Joseph Healy 54 Farmer of 45 acres employing 3 men and a boy and his wife Sarah 48 are Mary E Roberts 19 Visitor and Sarah A Roberts 15 Visitor Scholar both born in Ruabon.
1861 census living at 11 School Lane, Ruabon are Lionel Lemon 62 General Dealer, wife Mary 41 (born Chorlton, Ches), stepdaughter Mary E Roberts 13 Out of Situation, Louisa R Lemon 12 Scholar, Etty Jane Lemon 8 None, Hannah R Lemon 4 Scholar, Margaret J Lemon 9 mths infant.
Name: Mary Ellen ROBERTS
Given Name: Mary Ellen
Surname: Roberts
Sex: F
Birth: 1846 in Ruabon, Wales
Death: 1914 in Radcliffe, Lancs. Eng.
Occupation: Servant
Event: 1901 UK Census 1901 Radcliffe, Lancs. Eng.
Mary as you know married Thomas Eccleston and they had a lot of children. I note this post was made July so you may now have more details on the Eccleston family. The above was just copied and pasted from notes on my own family tree, but I do have other details, just not so easy to send! Jenny