He was the son of John Gerard Buchanan and Annie E Buchanan.
In 1901 the family are living in house 27, Main Street, Fintona. John is described as a Bank Manager. There were 3 other siblings; John G Buchanan (aged 2) and William Arthur Irvine Buchanan (aged 1) and Margaret J Buchanan (aged 0).
[John G Buchanan Jnr joined the Belfast Belfast Banking Company and also served in the Great War].
[William Arthur Irvine Buchanan served in the Army Veterinary Corps and was killed in action on 24th July 1917].
By 1911 the family property is described as house 23, Main Street, Fintona. The family would have been living in the manager's house located upstairs in the picture below. The house entrance would have been down the lane at the left hand side.
He was based in Head Office on 17th May 1916 when he enlisted as a Private with the (Cadet Coy), 19th Bn. RIR. He was promoted to 2nd Lieutenant with the 19th Bn. RIR and then posted to the 15th Bn. RIR. He saw service with the British Expeditionary Force and was promoted to Lieutenant in 1918.
Buchanan saw action at Ypres 1917 and Cambrai 1917 before becoming a Prisoner of War in Germany.
The Belfast News Letter of 3rd December 1917 reports:
The Belfast News Letter of 4th January 1918 reports: