The ambulance treated the wounded from a battle at Pacy-sur-Eure before being split into detachments serving with the Army of the North and the Army of the Loire. The detachments treated the wounded of skirmishes at Châteaudun, Patay and Buchy and the First Battle of Orleans, the Battle of Loigny–Poupry and the Battle of Le Mans. A second Irish ambulance unit was raised in London but was turned away upon arrival at Caen as no arrangements had been made with the French authorities to accept it.