Kammala jumla mai zuwa: Kelly ta yi aure tare da yara shida kuma galibi suna zaune a Stockport, suna aiki a masana'antar gas. A watan Maris na 1915, watanni takwas bayan barkewar Yaƙin Duniya na Farko, Kelly da ɗan'uwansa sun shiga cikin Rundunar Staffordshire ta Arewa. A ranar 8 ga Afrilu, 1916, an kashe Kelly a wani hari a kan Sannaiyat, Mesopotamia, a lokacin yakin basasa.
Siege na Kut kuma an yi bikin tunawa da shi a kan Basra Memorial.