Captain Kenneth Douglas Mackenzie, of the 92nd Regiment of Foot, served in the Eastern campaign of 1854-55 in the Light Division, including the battles of the Alma and Inkerman, and siege of Sebastopol. The New Army and Militia List, no. LXXVII, 1st January 1858, 202.

Or perhaps Major Roderick Mackenzie, of the Royal Artillery, who served in the Eastern campaign in 1854-55, including the battle of Inkerman, siege and fall of Sebastopol. The New Army and Militia List, no. LXXIX, 1st July 1858, 296.

11.i.58, 29.i.58, 8.ii.58, 8.iii.58.