Hazlett Samuel Allison was the eldest son of Col Hazlett Allison and Mary Allison of the Shola, Portrush born in Madras, India where his father was stationed in January 1894. He entered Campbell College in Belfast in September 1904 and was known as an excellent rugby player and for his interest in the military, being one of the original members of Campbell College Officer Training Corps from early 1909. He was admitted to Jesus College, Cambridge and graduated with a B.A. with Honours degree. That same year, 4 days after war against Germany & Austria-Hungary was declared, he applied for a commission in the Special Reserve of Officers. By December 1916, he was the youngest Major in the British Army at the age of 22 and serving with the Royal Ulster Rifles. General Sir Douglas Haig mentioned him in his official despatches for his gallant and distinguished service in the field. He was killed on 9th August 1917 but has no known grave. He is commemorated on the Menin Gate Memorial in Ypres, Belgium, together with the 54,394 Commonwealth soldiers who died in the Salient but whose bodies have never been identified or found, in Holy Trinity Parish Church in Portrush and on the Portrush War Memorial.