Just to confirm, William John Menelly, a draper of King Street, married widow Catherine Stewart also of King Street, at St George Hanover Square on June 7th 1871. Her father was a Walter Bermingham, a farrier, his was Walter Menelly, a draper.
Catherine Menelly died in 1885. I can't see them in the 1881 census. Children Edith and sister Elizabeth are boarders in Great Leighs, Essex.