Robert Thompson was the son of Thomas and Matilda Thompson. He was born in Magherafelt on 13th August 1895. He was the second of three sons. After Magherafelt went on to live in Kildress, Cookstown and Killinchy in County Down. Robert James Thompson enlisted in Downpatrick and served with the 13th Battalion Royal Irish Rifles before transferring to the Machine Gun Corps. Private Robert Thompson was seriously wounded on the first day of the Somme offensive. He died of his wounds the following day on Sunday 2nd July 1916.
Warloy-Baillon is a village about 21 kilometres north-east of Amiens along the D919 to Arras. The Communal Cemetery is on the east side of the village and the extension is on the eastern side of the cemetery.