Robert was born 12 February 1891 in Belfast. He had 3 brothers and 3 sisters – the family lived in Upper Meadow Street, Belfast. At the start of the 1900’s, the Poag’s moved to Ardenlee Avenue and then the Woodstock Road in East Belfast. At the outbreak of war, Robert was sent to the Western Front with the Royal Garrison Artillery after enlistment. He was Killed in Action on 5 September 1916, aged 25. Robert was buried at the Mesnil communal cemetery extension in France. A War Gratuity of £13 was paid to Robert’s father as a result of his death. Two of Robert’s brothers also fought in the war – James, who served with the Royal Irish Rifles, was Killed in Action in October 1914, in France; William who served with the Royal Marines, was wounded at Galipoli in November 1915, but survived the war.