Couldn't find a marriage in London but found an interesting entry in the Standard (London) BMD's dated September 14, 1878.
"Marriages - NELSON-BURROWS
Sept 11 at Christchurch, Wanstead, by the Rev J Nelson Burrows, M.A., brother of the bride, assisted by the Rev G S Fitzgerald, M.A., Rector, Thomas George Burrows, of Sparham, Norfolk, to Fanny Nelson, only daughter of John Burrows, of Wanstead, Essex."
Yorkslass