Rubuta ci gaba ga wannan sakin layi - Doran ya jagoranci Brigade na 8 lokacin da yakin duniya na farko ya barke a watan Agustan 1914, kuma an tura rundunar sojojin Birtaniya don yin aiki. Dan uwansa, Walter Robert Butler Doran, shi ma ya jagoranci rundunar Sojoji; 17th Infantry Brigade a cikin 6th Division. Ya ɗauki brigade zuwa Faransa kuma ya umurce shi ta hanyar janyewa daga Mons, yakin Marne da yakin farko na Aisne. A ranar 20 ga Oktoba, an kewaye ɗaya daga cikin rundunarsa - 2nd Royal Irish Regiment - a lokacin Yaƙin La Bassée
kuma a zahiri ya lalace saboda rashin tallafi; a ranar 23 ga Oktoba, an sauke shi daga jagorancin Brigade na 8 kuma an aika shi gida.