Rob Roy McGregor enlisted in Ballarat, Victoria at the age of 21 on the 24th of July 1915. He had been born in Ballarat, Victoria was Married, and was employed as a Bank Clerk. He volunteered and was stationed with the 2nd Field Artillery Brigade later transferring to the 1st Divisional Ammunition Column with the Regimental number 10354. He was discharged and Returned to Australia on the 12th of May 1919. Tree number 3480.