Ancestry don't seem to have all of Islington for 1918 in the London electoral registers

Joseph is not listed at West Lodge, Barnsbury Square in the spring 1919 register.
George and Georgina Botten in the Division 1 voters
In Division 2 were Douglas Alison, Robert Younie, Charles Cowden and Edward Young.
Alison, Younie and Young were absent (military) voters.