The The Silkstone Main Colliery was worked out in 1863 and closed in The 1871 Census records Richard and John Fell Swallow living at Mosborough Hill, with Henry Staniforth residing at Mosborough Hill House, suggesting either some confusion of names or that the brothers had relocated to a different property. They are both described as “Out of trade”, indicating that they had given up the coal mining enterprises. Also living with them were Ann Goodwin of Bradfield, cook, aged 21, and Elizabeth Eggleston from Nottinghamshire, a housemaid, aged 27. The Census was taken shortly before the death of Charles Rotherham of Mosborough Hall (1805- 1871). Presumably, the two families were well acquainted socially and were known to each other since Charles Rotherham acquired the Hall in 1843. Rotherham had served as a juror at the inquests following the Silkstone Main Colliery disaster. John Fell Swallow was appointed a trustee of Rotherham's Mosborough Hall estate. He had responsibility, amongst other things, for collecting payments for the Mosborough Hall collieries until the property was inherited by Henry Walker (1830- 1891), the husband of Charles Rotherham’s eldest daughter, Therese Eleanora Susannah (1830-1898). He was still working coal under the Mosborough Hall estate, as a joint trustee with George Marriott 187332. (1806-1874, Charles Rotherham’s brother-in-law) in In this connection, John Fell Swallow would have been a regular visitor to the Hall. It was here that he met Mary Ellen Knight (1845-1926), Governess to Henry and Therese Walker’s children, to whom he would be married in October 1872 at Festiniog, Wales. Shortly before this happy event, his brother Richard had died at Mosborough Hill on 25 August 1872, aged 42. He was buried at the Old Chapel, Attercliffe33. John and Mary Ellen had a daughter, Maria (1874-1965), in 1874. The 1881 Census records the family living at Mosborough Hill, with Marian C. Hague, a teacher and governess, aged 20, from Sheffield, Agnes A. Daniels, aged 25, a cook, from Sheffield and Harriet A. Youle, a housemaid, aged 18, from Handsworth. Becoming an active participant in local affairs, John was elected a trustee of the Joseph Stones School34, Endowed and in 1885 he offered land in Mosborough to the Ecclesiastical Commissioners as a gift for a new church to be called All Saints, Mosborough, but the conveyance was not proceeded with35. He had become a Justice of the Peace for the county in 1887 when he marked Queen Victoria's Hole36. Golden Jubilee with celebration for his seventy tenants at Moor John also supported the Common37. opening of “a grand public reading room” at Mosborough In 1891, John and Mary Ellen were still residing at Mosborough Hill, with a cook, Alice Barker of Ridgeway, aged 17 and housemaid, Ellen Fiddler of Ridgeway, aged 16. Their daughter, Maria, had College38. been sent to Cheltenham Ladies’ In 1898, John was called to give evidence at the High Court of Justice in connection with the case of Sitwell v. Worrall, a claim by Sir George Reresby Sitwell (1860-1943), Lord of the Manor of Eckington, against John Worrall (1846-1919) of Mosborough Hall Farm, who was working coal under the Mosborough Hall estate. Sitwell contended