Kammala jumla mai zuwa: Ƙarshen yakin basasa a cikin bazara na 1865 ya ba da babbar motsawa ga Fenians, saboda yawan sojojin Irish-Amurka da aka rushe kuma suna ɗokin ganin sabis a wani wuri. An zuba kudi a cikin ma'aikatar Fenian; mai yiwuwa $ 500,000 an sanya hannu tsakanin 1860 da 1867. Yawancin bambance-bambance sun faru tsakanin O'Mahony da James Stephens da Babban Majalisar dangane da manufar da za a bi don cimma burin su, amma O'Mahony ya kasance shugaban kungiyar na tsawon shekaru. Bai dauki wani bangare da kansa ba a cikin yunkurin tayar da hankali a Ireland ko a cikin
ya kai hari kan Kanada, ko da yake shawararsa ta yi yawa a cikin waɗannan kamfanonin.