I have a feeling this is Arthur's 1st Marriage going by the census.
St. Saviour's, Upper Chelsea P.C. after Banns
Pg. 62, No. 124
February 2nd 1859
Arthur Stow, full, Bachelor, Groom, 9, Charlotte Street, father John, Under Bailiff
Louisa Bennett, full, Spinster, father William, Blacksmith
Arthur signed his name, Louisa her mark.
Witnesses: James Tozer and Caroline Manses?
Sandy