In 1858, during the Indian Mutiny at Azumgurh, India, Private Carlin carried out the deed for which he was awarded the Victoria Cross:
The Commander-in-Chief in India directs that the undermentioned Soldier, of the 13th Foot, be presented, in the name of Her Most Gracious Majesty, with a Medal of the Victoria Cross, for valour and daring in the field, viz.: Private Patrick Carlin, No 3611, of the 13th Foot, for rescuing, on the 6th of April, 1858, a wounded Naick of the 4th Madras Rifles, in the field of battle, after killing, with the Naick's sword, a mutineer sepoy, who fired at him whilst bearing off his wounded comrade on his shoulders.Patrick Carlin died in the Belfast Union Infirmary on 11th May, 1895, and was buried in the Friar's Bush graveyard, Stranmillis Road, Belfast. There is no memorial.
His Victoria Cross is displayed at The Somerset Light Infantry Museum, Taunton, Somerset.