Holmes Cockburne served as a serjeant in the Northumberland Militia
Appointed Ensign 14th September 1809 and joined the 2nd Battalion serving in Walcheren Campaign on the 14th November 1809
24th January 1810, succeeded Charles Pullman as Adjutant to the the 2nd Battalion
31st March 1810 Swapped roles with William Jeffree to be the Quarter Master to the 2nd Battalion
29th July 1813 sailed with the battalion to the Peninsula
Died Fort Augustus Jamaica 18th July 1827