Arthur Gordon Kelsall (SN 6555) was born in Ballarat and was a farmer by trade when he enlisted in the 4th Field Artillery Brigade as a Gunner on May 14th 1915 at the age of 19. His unit embarked from Melbourne, Victoria, on board the Wiltshire on November 18th. Shortly after his arrival in France in March 1916, he spent a month at the 2nd Division Gas School. In July 1917 he was formally reprimanded for 'making an improper reply to a senior NCO'. On October 4th 1917 he was wounded, suffering a shrapnel wound to his thigh, and invalided to England. Before returning home in April 1919, he was promoted to Lieutenant. He returned to Australia on the Mahia and disembarked at Melbourne on July 17th 1919.

One of three Kelsall brothers who served in the AIF, his brothers Charles and John are also honoured with trees in the Avenue.