I have visited the war grave of an Albert James Starr who was the son of Charles and Annie Starr of Temora. He was 25 when he died on 01.06.1918 at Wimereux in France making him the age you gave. Would this be the actual 'Albert John Carberry' you listed? Just asking. I saw this purely by chance and decided to act. Hope I don't take you down the wrong path.