Further research has revealed that Sarsfield York was married 3 times. Firstly to Mary Ann Simpson abt 1851, and Mary Ann died May 6, 1864. Secondly to Jane Morrow abt 1865, Jane died May 20, 1880. Thirdly to Sarah Jane Duncan on Feb 19, 1883, whom he predeceased in 1899. Sarah Jane and Sarsfield did not have any children together.
Of the children involved, George Frederick York died Apr 8, 1943 in Los Angeles. Ruth married James Murray Montgomery and died Oct 5, 1955 in Highland Park, Lake County, Illinois.