1st Battalion, Lancashire Fusiliers.

Awarded the M.M. in the London Gazette of 14 January 1918.

Cairns was a native of Burnley, Lancashire.

The Burnley The Burnley Express of 3 May 1919 reported, EIGHT HEROES RECEIVE THEIR MEDALS, amongst whom was 22346 Private Leonard Cairns of, 32, Cotton Street, Burnley. Cairns was in France for over three years during which time he was wounded on three occasions