Not the answer you're looking for but below is a list of the men of the 6th. Batt. that died in S.A.
At least it tells you where they were.
You could contact the Worcs. Regt. museum as they may have more information or hold personal diaries:
http://www.worcestershireregiment.com/Andrews H.5182 Pte. Cape Town 31/01/1902
Brown E. 6338 Pte. Stormberg 25/04/1902
Parkes John T. 4522 Pte. Burgersdorp 02/03/1902
Watson A. 6008 Pte. Burghersdorp 25/01/1902
Riddle A. G. 5340 Pte. nr Knapdaar 20/03/1902