The example of results of a search on Ancestry shown illustrates the database includes Australian and Canadian volunteers as well as British..
Clicking View Record takes you to the The Register of the Anglo-Boer War 1899-1902 website at www.casus-belli.co.uk/ with pay per view access to detailed information.including a casualty roll of over 59,600 records. You will find:
2,200 individual records not in the Official Casualty RollsFor Canadians who served don't overlook the free databases at Library and Archives Canada South African War, 1899-1902 - Service Files, Medals and Land Applications
3,100 casualty events not in the Official Casualty Rolls
18,800 casualty records updated/corrected (34% of the total casualties)
19,800 names linked to a war memorial