John Young married, on 8 April 1835, Adelaide Annabella Dalton, daughter of Edward Tuite Dalton of
Fermor,
County Meath, Ireland, and his wife, Olivia, daughter of Sir John Stevenson (who married, secondly,
The 2nd Marquess of Headfort, K.P., P.C.). Dalton's date of birth is unknown; however, she was likely to have been born between 1811 and 1814. Her husband was raised to the peerage, as Baron Lisgar in 1870, and died on 6 October 1876. On 3 August 1878 Baroness Lisgar married her second husband, Sir Francis Charles Fortescue Turville of Bosworth Hall,
Leicestershire. She married her third husband, Henry Trueman Mills, of Lubenham,
Market Harborough. She died at Paris on 19 July 1895. ==Legacy==