The Memorial Plaque is inscribed:
IN LOVING MEMORY OF MAJOR KENNETH ROSS MACKENZIE 2ND BATTALION SEAFORTH HIGHLANDERS "MISSING" AT MAGERSFONTEIN 11TH DEC 1899 AGED 44 YEARS ELDER SON OF THE LATE CHARLES DOUGLAS MACKENZIE THIS TABLET IS ERECTED BY HIS MOTHER AND SISTERS
The 2nd Battalion, Seaforth Highlanders, the Black Watch, Argyll & Sutherland Highlanders and Highland Light Infantry formed Major General A.G. Wauchope's Highland Brigade at Magersfontein
Maj Mackenzie is commemorated on the South African War Graves Board memorial in the West End Cemetery in Kimberley which honours British soldiers who died during the Anglo-Boer War.
Further reading
Military Memorials in St George's Cathedral at Cape Town
Memorials in the Cathedral
Major Kenneth Ross Mackenzie, 2nd Battalion Seaforth Highlander
Gunner Frederick William Ratcliffe
Battle of Boomplaats Rifle Brigade Memorial
Battle of Boomplaats British Roll of Honour
Lt Col Frederick Miller VC Memorial
Captain George Pilkington, RE
Colonel Edmund Hartley VC, CMG
3rd Dragoon Guards Anglo-Boer War Roll of Honour