Herbert Henry Jackman served with the 2nd Battalion in the Tirah Campaign of 1897-98 (Awarded Medal and Clasps for Tirah & Punjab); the Boer War of 1899-1902 (QSA and Clasps for Cape Colony, Transvaal, South Africa 1902); Joined 1st Battalion at Rustenburg in South Africa on 8th April 1902 as L/Cpl.

He joined the 6th Battalion in 1908 and arrived in France on 25.2.15.

Mentioned in Dispatches, London Gazette 1st January 1916.

Later transferred to Labour Corps (403164); Drowned on 16.12.17 whilst serving with the 857th Area Employment Coy of the Labour Corps.