William Robert Dempster, Private (22155) was born to British parents in Quincy, Massachusetts, in 1889.

He and his siblings accompanied their mother when she returned to the Stewartry of Kirkcudbright, Scotland, in 1894. He remained there until 1911 when he immigrated to Saskatoon to pursue a career in farming.

When WW1 broke out in 1914 he joined the 8th Battalion, Canadian Infantry (Manitoba Regiment). He was killed in action 14 June 1916 near Ypres and buried in the Bedford House cemetery, Belgium. He is remembered on the Trinity United Free Church memorial, Castle Douglas and on the Maxwelltown/Troqueer war memorial, all in Scotland.