Robert and Ellen had 4 surviving sons. Their second was Thomas Mather Leatherbarrow, confirming we have the correct marriage.
In 1861, Robert and Ellen (22 & 24) were at 3 Cefrensharr Croft, East Bolton with Robert's brother James (18) staying.
In 1862, Robert and Ellen dad a daughter Sarah that died. Then they moved from Eastern Bolton to Little Bolton.
In 1871, Robert and Ellen (32 & 33) were at 126 Turton Street. They had William F (6) and Thomas M (3mo) and Robert's niece Alice (7).
About 1880 (after George was born), the family moved to Chadderton.
In 1881, Robert and Ellen (42 & 44) were at 42 Druy Lane, Chadderton. They had William Thomas (16), Thomas Mather (10), Robert (7) and George Herbert (2). Also John Thomas (nephew,15) and Alice (niece, 18)