Oops!!
Should have included a list of all the databases.
Crimean War Casualty Roll - These are casualties from the London Gazette of 1854-1855. There are 16,315 entries. Original data is in the book Casualty Roll of the Crimea, compiled by Frank and Andrea Cook, (ISBN 0-903754-10)
Natal Field Force - 11,188 casualties of the first part of the Boer War, 20 October 1898-26 October 1900.
Casualties of the Zulu and Basuto Wars 1877-1879 - 1,559 casualties from the book by I T Tavender (ISBN 0-903754-24X)
South Africa 1853 Medal Roll - 10,958 recipients of this medal from the book by G R Everson (ISBN 0-906304-024)
Casualty Roll for the Indian Mutiny 1857-1859 - 7,457 casualties from the book compiled by I T Tavender (ISBN 0-903754-98-3)
Casualty Roll of the Army of the Sutlej 1845-1846 - 3,209 casualties compiled from the Sutlej Medal Rolls held at the India Office Library
Officers of the Madras Army 1760-1834 - This book contains the dates of appointment of 4,627 offices who served from the beginning of the Madras Presidency, the British East India Company. The full entries often have the dates of promotions and death, and to provide this data I do make a charge. Please contact me for further details if you find a name of interest.