Ka cika wannan jumlar: McLeay ya shiga rundunar sojojin Australiya (AIF) a watan Mayu na shekara ta 1915. Ya yi aiki tare da rukunin likitoci a Gabas ta Tsakiya da kuma Yammacin Yamma. Yayin da yake zaune a Faransa a matsayin mai ɗaukar hoto tare da 13th Field Ambulance, an ba shi lambar yabo ta Soja don jaruntaka a ranar buɗewa na
Yaƙin na biyu na Villers-Bretonneux a watan Afrilu 1918. An sallame shi daga aikin soja a watan Oktoba 1919.