Soldiers Died in the Great War states that he was born at Middleton, Northumberland and enlisted at Alnwick. He had previously served as Private 3216 with the Northumberland Fusiliers.
Belford Museum has researched his story. See below.
His brother James Edmund Hall also fell.
Robert Hall is remembered in Belford on B16.01 B16.02 page 5. He is listed Alnwick Gazette Almanack page 52.