Kupera kwehondo yavagari vemo muchirimo cha 1865 kwakapa vaFenian simba guru, nemhaka yenhamba yemauto eIrish-America ayo akanga aparadzaniswa uye aida zvikuru kuona basa kune imwe nzvimbo. Mari yakadururirwa muhomwe yeFenian; zvichida $500 000 yakanyorwa pakati pa 1860 na 1867. Kusiyana-siyana kwakawanda kwakaitika pakati paO'Mahony naJames Stephens neCentral Council maererano nemitemo yaifanira kuteverwa kuti vabudirire chinangwa chavo, asi O'Mahony akaramba ari mutungamiri wesangano kwemakore akati wandei. Iye haana kutora rutivi rwupi norwupi amene mukuedza kupandukira muIreland kana kuti mukupamba muCanada
, kunyange zvazvo zano rake raikosha zvikuru mumabhizimisi aya.