Below is a list of those who served during World War I
- Albert Edward Blackman Gunner, Royal Field Artillery, 1915-1920
- Alfred Blackman Private, 18th Bn London Regiment, 1914-1919
- Alfred Iden Blackman Sergeant, Kent RGA, 1909-1919
- Alfred James Blackman Driver, Army Service Corp, 1914-1919
- Alfred James Blackman Private, the Buffs (East Kent Regient), 1915-1916, killed in action
- Alfred William Blackman Private, Welsh Regiment, 1915-1919
- Arthur Blackman Signaller, Royal Field Artillery, 1915-1919
- Arthur Blackman Lance Corporal, Royal Engineers, 1915-1919
- Arthur Blackman Lance Corporal, Military Foot Police, 1916-1919
- Arthur Blackman Private, Royal West Kent Regiment, 1914-1919
- Arthur Alfred Blackman Sapper, Royal Engineers, 1914-1917
- Arthur Edwin Blackman Private, Labour Corp, 1915-1919
- Arthur Henry Blackman Company Sergeant Major, Royal Engineers, 1914-1918
- Arthur Henry Blackman Private, Labour Corp, 1916-1919
- Arthur Horace H Blackman Private, Royal Defence Corp, 1914-1919
- Arthur Thomas Blackman Sapper, Royal Engineers Signal Service, 1914-1919
- Bert Blackman Private, 6th Bn Royal Fusiliers, 1/1/1915-4/4/1915
- Bertie Blackman Private, The Buffs, 1915-1917 when he was killed in action
- Bertie Blackman Private, Royal Engineers, 1918-1919
- Charles Blackman Private, Labour Corp, 1916-1919
- Charles Blackman Private, Army Service Corp, 1916-1919
- Charles Edward Blackman Sapper, Royal Engineers, 1918-1919
- Charles Frederick Blackman Private, Royal West Kent Regiment, 1912-1915
- Clifford James Blackman Private, Machine Gun Corps, 1916-1919
- Egbert David Blackman Lance Corporal, Army Service Corp, 1915-1919
- Edward George Blackman Lance Corporal, Army Service Corp, 1915-1919
- Edward Howard Stirling Blackman Corporal, Army Service Corp, 1915-1919
- Edward Percy Blackman Private, Somerset Light Infantry, 1911-1920
- Edwin Edward George Blackman Regimental Sergeant Major, Royal Engineers, 1917-
- Eli George (Jessie) Blackman Private, Durham Light Infantry, 1916-1919
- Ernest Blackman Private, Army Service Corp, 1915-1919
- Ernest Albert Cecil Blackman Lance Bombardier, Royal Garrison Artillery, 1916-1919
- Ernest George Blackman Private, Labour Corp, 1916-1919
- Ernest Harry Blackman Private, Labour Corp, 1917-1919
- Frank Blackman Private, Royal Sussex Regiment, 1904-1915
- Fred Blackman Corporal, Royal Engineers, 1915-1919
- Herbert Henry Blackman Corporal, Army Service Corp, 1915-1919
- Richard Blackman Private, Seaforth Highlanders, 1914-1919
- Sidney George Blackman Private, Army Service Corp, 1915-1917
- Thomas Henry Blackman Lance Corporal, Middlesex Regiment, 1905-1919
- Walter John Blackman Acting C.S.M, Royal Engineers, 30/5/1917-27/2/1919