1875 England & Wales Marriage Reg Index: William Duckering Jul/Sep 1875 reg. Sunderland, Durham, Vol 10A, P884, possible spouses Mary Glover or Mary Ann Hardy

1881 Census 6 Gill Bridge Ave, Bishopwearmouth, William Duckering head mar. 31 Mariner b Fleet Fen, Lincs, Mar A wife 28 b Fleet Fen, Lincs, Elizabeth E dau 4 & William R son 10 ms both born Sunderland, Durham

1884 England & Wales Marriage reg Index: Mary Ann Duckering reg Sunderland, Durham Jan/Mar 1884, V10A, P614 possible spouses William Burdon or Thomas Turner March - see copy