Percy Leonard Ellsworth (SN 1791) born at Ballarat, was a 20 year old farmer when he enlisted on July 7th 1915. His unit embarked from Adelaide aboard the Borda on January 11th 1916. He served in Egypt and Palestine, predominantly with the 9th then 8th Light Horse Regiments. In August 1917 he qualified as a signaller. Shortly after the war, in December 1918, while in Tripoli he was charged with ‘giving a false name to Military Police' and forfeited 10 day's pay as a consequence. He returned to Australia aboard the Delta on September 3rd 1919 and was discharged on October 26th.

His brother George also served in the AIF and is honoured with a tree in the Avenue.

Lucas’s Staffs Appreciation of Brave Men, the original Avenue register, records his surname as Elsworth.