Ku qor sii wadida cutubkan - Daley waxaa loo magacaabay Coadjutor Bishop of Harrisburg bishii Luulyo 31, 1967, ka dibna wuxuu ku guuleystay Bishop Leech oo ahaa Bishop-kii lixaad ee Harrisburg bishii Oktoobar 19, 1971. Mudadii uu xilka hayay oo ahayd 12 sano, wuxuu aasaasay Xafiiska Diocese ee Qorsheynta, Xafiiska Horumarinta Diocese, iyo Barnaamijka Emmaus ee wadaaddada. Wuxuu ku baaqay in si ku meel gaar ah loo joojiyo dhismaha warshadaha tamarta nukliyeerka kadib shilka
Saddex Mile Island ee Xarunta Tamarta Nukliyeerka ee Harrisburg 1979kii.