Irish clergy , notably Cullen , made particular use of the reach of the British Empire to spread their influence .
The establishment of an ' Irish Episcopal Empire ' involved three transnational entities -- the British Empire , the Roman Catholic Church , and the Irish diaspora .
Irish clergy , notably Cullen , made particular use of the reach of the British Empire to spread Roman Catholic Church 's influence .
The establishment of an ' Irish Episcopal Empire ' involved three transnational entities -- the British Empire , the Roman Catholic Church , and the Irish diaspora .