In St. Helen's churchyard. Treeton, around 1900, was a village dependent upon Treeton Colliery; in 1901 the population was 1,969. It's about 4 miles south of Rotherham, and 5 miles east of Sheffield city centre, and just over 1 mile south-west is Orgreave, where the Battle of Orgreave took place in 1984, during the 1984/85 miners' strike.
422 Private Ernest Manship, St. John Ambulance Brigade. Died of enteric fever at Howick, Natal, on 15th September 1900, aged 19. Or did he die on 16th September 1900?
9213 Private Arthur King, 2nd Coldstream Guards. Died of enteric fever at De Aar, in the Transvaal, on 26th March 1900, aged 28.
William E. Scattergood, St. John Ambulance Brigade. Died of enteric fever on 24th May 1904, aged 27. The 1901 UK census has a William Scattergood, aged 25, living with his parents, William Sr. and Martha, and his wife Florence, at 83, Back Street, Treeton. Both Williams were born at nearby Catcliffe, and William jr. was a "colliery deputy." There didn't appear to be any other Scattergood families resident in Treeton.
Placed in a very prominent position in the churchyard, right by the footpath and road, where all the passers-by could see it.