The AIF Project


Date of birth8 October 1893
Place of birthPaddington, New South Wales
Other NamesSADLER, Rupert Markham
SchoolFort Street High School, Sydney, New South Wales
ReligionChurch of England
AddressSunnyside, St George's Parade, Hurstville, New South Wales
Marital statusSingle
Age at embarkation22
Next of kinFather, George T Sadler, Sunnyside, St George's Parade, Hurstville, New South Wales
Previous military serviceCitizen Forces. Served in New Guinea
Enlistment date16 April 1915
Rank on enlistmentLieutenant
Unit name18th Battalion, B Company
AWM Embarkation Roll number23/35/1
Embarkation detailsUnit embarked from Sydney, New South Wales, on board Transport A40 Ceramic on 25 June 1915
Rank from Nominal RollLieutenant-Colonel
Unit from Nominal Roll17th Battalion


Unit: 17th Battalion
Promotion date: 14 January 1917

Temporary LTCOL

Promotion date: 1 April 1918

Recommendations (Medals and Awards)

Mention in Despatches

Awarded, and promulgated, 'London Gazette' No. 31089 (31 December 1918); 'Commonwealth Gazette' No. 61 (23 May 1919).

Mention in Despatches

Awarded, and promulgated, 'London Gazette' No. 31448 (11 July 1919); 'Commonwealth Gazette' No. 124 (30 October 1919).

FateReturned to Australia 20 May 1919

Military Cross

'For conspicuous gallantry during operations. He did fine work in the trenches at a very trying time, and during an attack on the enemy trenches, displayed great courage and fine leadership. Though wounded during the assault, he stuck to his post till the enemy trenches were taken.'
Source: 'Commonwealth Gazette' No. 184
Date: 14 December 1916

Distinguished Service Order

Source: 'Commonwealth Gazette' No. 109
Date: 15 September 1919

Other details

War service: Egypt, Gallipoli, Western Front

Medals: Military Cross, Distinguished Service Order, 1914-15 Star, British War Medal, Victory Medal

Also served in World War II as Colonel V64336.
Date of death5 September 1948
Age at death54
Place of burialSpringvale Crematorium

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