Re 1911 ... closest I can get :
1913 Marriage WATERSON = BRYCESON at St Chad, Haggerston, Hackney married by Banns.
John Edmund Waterson, 28, Bachelor, a Caterer, of 208 Kingsland Rd, (his father was) Robert Waterson, Caterer
Ethel Bryceson, 27, Spinster of same address, (her father was) Nathaniel Bryceson, Engineer Deceased,
Witnesses : Robert Waterson and John Albert Milian (or Wilian, hard to read).

John Edmund Waterson may have served in WW1
NB the engineer, that would be same chap

who was a Porter residing Queens Arms Buildings when Ethel Elizabeth Bryceson was baptised 5 Nov 1882, (birth 30 Sept 1882) to NB and Annie (Stone re 1882 marriage) at St Mary, Islington
JM