|Place of birth||Murchison, Victoria|
|Address||Murchison East, Victoria|
|Age at embarkation||36|
|Next of kin||Wife, Mrs C Cahill, 666 Smith Street, Clifton Hill, Victoria|
|Previous military service||Nil|
|Place of enlistment||Melbourne, Victoria|
|Rank on enlistment||Private|
|Unit name||7th Battalion, 11th Reinforcement|
|AWM Embarkation Roll number||23/24/3|
|Embarkation details||Unit embarked from Melbourne, Victoria, on board HMAT A71 Nestor on
|Rank from Nominal Roll||Private|
|Unit from Nominal Roll||59th Battalion|
|Other details from Roll of Honour Circular||Enlisted, 19 July 1915 - 7th Bn 11th Reinforcements; taken on strength, 59th Bn, 26 March 1916.|
|Fate||Killed in Action
|Place of death or wounding||Fromelles, France|
|Age at death||37|
|Place of burial||No known grave|
|Commemoration details||V.C. Corner (Panel No 16), Australian Cemetery Memorial, Fromelles, France|
|Panel number, Roll of Honour,|
Australian War Memorial
War service: Egypt, Western Front
Allotted to, and proceeded to join, 59th Bn from 2nd Training Bn, Zeitoun, 26 February 1916; taken on strength of 59th Bn, Tel el Kebir, 26 February 1916.
Embarked Alexandria to join the British Expeditionary Force, 18 June 1916; disembarked Marseilles, France, 29 June 1916.
Posted missing, 19 July 1916.
Court of Enquiry, held in the field, 29 August 1917, pronounced fate as 'Killed in Action, 19 July 1916'.
Note on B.103, 'presume buried in No Man's Land at approx 5J9043 to 5K0251 Sheet Hazebrouck 5a'.
Base Records advised the wife of Private W.P. Cahill on 5 March 1917 that he was a Prisoner of War in Germany. However further enquiries revealed that he had been confused with P.W. Cahill, 1230, 32nd Bn.Medals: 1914-15 Star, British War Medal, Victory Medal
|Sources||NAA: B2455, CAHILL William Patrick
Red Cross file 670305