Who was the first British person to die in ww1?

L/14196 Private John Parr of the Middlesex Regiment on 21st August 1914 shot by German Sniper

9518 Pte. DUNCAN MCDONALD Cameron Highlanders MISSING/CLASSED AS KILLED IN ACTION 13 AUGUST 1914. Could have been killed accidently on boat to France or dissapeared[ He was 16 years old