Sir John Maxwell's despatch following the Rising states :
The fighting strength of the troops avail- able in Dublin at this moment were:— 6th Reserve Cavalry Regiment, 35 officers, 851 other ranks. 3rd Royal Irish Regiment, 18 officers, 385 other ranks. 10th Royal Dublin Fusiliers, 37 officers, 430 other ranks. 3rd Royal Irish Rifles, 21 officers, 650 other ranks. Of these troops an inlying picquet of 400 men, which for some days past had been held in readiness, proceeded at once, and the remainder followed shortly afterwards.
Headquarters at Parkgate
Colonel Kennard - in charge of forces in Dublin
Colonel Henry Cowan - Adjutant and Assistant Adjutant General
Major Owen Lewis
Army Service Corps
615 MT Company were located in Parkgate. American Clive Wilson Warman was with this unit.
At the Magazine Fort in the Phoenix Park
A number of Pay Corps personnel were located in Linenhall Barracks
Royal Dublin Fusiliers
10th (Service) Battalion RDF were located in Royal Barracks (now Collins Barracks)
37 officers and 430 men
Royal Irish Rifles
3rd (Reserve) Battalion were located in Portobello Barracks (now Cathal Brugha Barracks)
21 officers and 650 men
Royal Irish Regiment
3rd (Reserve) Battalion were located in Richmond Barracks.
18 officers and 385 men
Commanding Officer : Lt Colonel Robert Owens
Adjutant : Major Edmund Roche-Kelly
6th Reserve Cavalry Regiment
Located in Marlborough Barracks.
35 officers and 851 men
Made up of 5th (Royal Irish) Lancers, 12th Lancers, 3/1st County of London Yeomanry, 3/1st City of London Yeomanry, 3/1st Welsh Yeomanry
Other soldiers were posted to positions at :
Dublin Castle (8 soldiers in the Guardroom)
GPO Telegraph Room (8 soldiers)
Ship Street Barracks (approx 25 soldiers)
Beggars Bush Barracks