Percy Dadson was born and raised at Whitemore, near Westbury, the son of William and Annie Dadson. In October 1917 he made the momentous decision to give up farm work and to volunteer for enlistment. Allotted to the 27th reinforcements for the 12th Battalion, departing Australia in February 1918. After further training in England he proceeded to France in late July and was finally taken on strength on 4th August 1918. He remained in France and until late May 1919 when he was marched out to England for return to Australia, departing England in July 1919.
Post war Percy moved to Launceston where he worked either as a carter, labourer or caretaker. He did not marry.