I've got 4 officers on my list.
Captain Fergus Murray, Scottish Rifles, was killed in action at Spion Kop, on the Upper Tugela, on 24th January 1900. He was the younger son of the late Commander John Murray, R.X., of Murraythwaite, Dumfriesshire and was born in February 1868, and educated at Clifton College. He entered the Scottish Rifles in March 1889, and was promoted Lieutenant in March 1892, and Captain in October 1897. At Spion Kop he was wounded in five places, but he still continued to command his company, staggering amongst his men till killed. Captain Murray's name was brought to notice by his commanding officer for having rendered special valuable assistance 24th January and he is mentioned in the despatch of Lieutenant-Gen. Sir Charles Warren, of 1st February 1900, for initiating an advance in the face of a heavy fire.
Dooner, p280-281
Lieutenant John Woodburne Osborne, Scottish Rifles (Camerions), was killed in action at Spion Kop, in the operations on the Upper Tugela, 24th Jan. 24th, 1900. He was born in June, 1873, and educated at the Collegiate Institute, Brantford ; Trinity School, Port Hope and the Royal Military College, Kingston, Canada. He entered the Scottish Rifles, in November 1895, being promoted Lieutenant in November 1897. He was assistant-adjutant to his battalion, and in 1899 was appointed A.D.C. to the Lieutenant- Governor of Bengal, but rejoined his battalion in order to serve in South Africa.
Dooner, p294
Major Sydney Philip Strong, second in command, 2nd Battalion Scottish Rifles, died of wounds received in action at Spion Kop, in the operations on the Upper Tugela, on 24th January 1900. He was born in February 1858, educated at Winchester, and entered the 90th Foot in January 1878, being promoted Lieutenant in August 1878, Captain in September 1883, and major in October 1892. He saw active service with the 90th Light Infantry in the South African War, 1877-78 in the Kaffir Campaign, and the operations against the Galekas. He also served throughout the Zulu War of 1879, and was present at the engagements at Zungen Nek, Kambula, and Ulundi, and was mentioned in despatches, L.G., 7th May 1879, and received the medal with clasp. Major Strong was adjutant of volunteers from Nov. 1887-92. His death is mentioned in the despatch of Lieutenant-Gen. Sir C. Warren of 1st February 1900.
Dooner, p368-369
Captain Charles Walter, 1st Battalion The Cameronians (Scottish Rifles), was killed in action at Spion Kop, in the operations on the Upper Tugela, 24th January 1900. He was the son of Gen. J. M. Walter, C.B., was born in November 1872, and educated at Wellington (where he was in the Hopetoun), 1885 to 1890, whence he passed direct into the Royal Military College. He entered the Scottish Rifles in October 1892, being promoted Lieutenant in December 1894, Captain in February 1899, and was serving with his battalion in India. Captain Walter volunteered for active service, and was sent to Natal at the commencement of the war, and served there until killed.
Dooner, p403