My grandfather William Bainbridge b. abt. 1885 was one of 15 children of James Bainbridge,(wifes name not known) William m. Mary Ethel Henderson abt 1906. After their marriage they lived in Kirk Merrington, Co. Durham until their deaths, William in 1964, Mary Ethel 1968. Edna their eldest child (my mother) was b. 1910.Could anyone help me find William and Mary Ethels marriage date or any other information to give me a start.