[3] When Keighran was in Year 5, he moved with his family to Lowmead, approximately 80 kilometres (50 mi) north west of the Queensland regional city of Bundaberg.

[5] He was promoted to lance corporal in 2005 while within Mortar Platoon of the Support Company, 6th Battalion, Royal Australian Regiment (6 RAR).

In 2006 he deployed to Iraq as a Bushmaster Protected Mobility Vehicle driver, and in 2007 to Afghanistan with the Special Operations Task Group in the same role.

[10] Keighran's Victoria Cross for Australia and accompanying medal group are on loan to the Australian War Memorial for display in the Hall of Valour.

[N 2] In 2024 Keighran decided to sell his medals, including the Victoria Cross for Australia, to pay for a new house and help cover his family's living expenses.