Thanks for your help. However, I believe there is a mixup, as William Maguire is the one who married Mary Lampard in 1798 in Stratford, Essex, and William Bainbridge is the one who married Teresa Maskens. In addition, Theresa Bainbridge made her will 15 April 1841, probated 3 January 1845, leaving a house to each of her two children, Frederick F. Bainbridge and Elizabeth Reed.
This is a transcription of family research from 1964.
LONDON COUNTY COUNCIL Sir William Hard The County Hall London, S.E 5 May 1964 Dear Madam Further to your request made on 2 May for a copy of Entry No.1258 in the St. Marylebone register of marriages, 1794-1796, I regret that as the volume is in the process of being rebound -- as you saw -- a photographic copy cannot be supplied. I give below, however, a copy of the entry:__ See No.1258, William Bainbridge of this Parish Affdt Bachelor and Teresa Maskens of the same No. 68 Parish Spinster were Married in this Church by Banns this First Day of February in the Year One Thousand seven Hundred and Ninetysix by meBenjn. Lawrence Curate (signature) This Marriage was solemnized between Us (Wm. Bainbridge (signature) (T. Maskens (signature)
In the Presence of (James Aitken (signature) (Elizabeth Aitkin (signature)