Born at Perth WA, CoE. Enlisted 11 February 1916 age 18, blacksmith. Nok mother, Lena Johnsen 73 Brown St, Perth. Embarked at Fremantle 6 June 1916 per A39 Suevic. Wounded by gassing in France on 18 March 1917. RTA per Somali July 1919. MM citation: ‘His Majesty the King has been graciously pleased to approve of the Award of the Military Medal for bravery in the field. On 29 September 1918 during operations south of Bonyi, Private Johnsen acted as a signaller and runner throughout the whole operation. He was responsible for the maintenance of signal communications between Battalion Headquarters and Advanced Headquarters. This line was continually being cut. Private Johnsen went out time after time under heavy shell fire to effect repairs. It was solely due to his good work that communication was maintained and Battalion Headquarters kept well informed. At times he showed great courage and dedication to duty.’ London Gazette No. 31405 17 June 1919 and the Commonwealth of Australia Gazette No 115 10 October 1919. In retirement Johnsen resided at 31 Albion St, Cottesloe. Service medals and award: MM, BWM and VM.