Lieutenant Alister MacLean
Alister MacLean is believed to have been from Kilmarnock, Scotland.
Early in the war he enlisted in the 17th Battalion, Highland Light Infantry (No.15919). He embarked for France with the battalion on 22 November 1915.
In 1916 MacLean applied for a commission and on 29 June 1917 was made a 2nd lieutenant and posted to the North Irish Horse at Antrim.
On 14 April 1918 he transferred to the 2nd Battalion, Highland Light Infantry, retaining his officer rank, with seniority dating from 1 January that year.
He was promoted to the rank of lieutenant in the 3rd Battalion, Highland Light Infantry, Special Reserve of Officers, on 1 July 1919.
MacLean relinquished his commission on 1 April 1920.
After the war he served in the Auxiliary Division of the Royal Irish Constabulary (No.997), from 8 November 1920 to 17 January 1922. (See the website The Auxiliary Division of the Royal Irish Constabulary.)