Fourteen parishes in the Dioceses of Achonry and Elphin are now joined together.
They're operating in seven pairs, with each having one parish priest.
220 people from parish councils in Achonry and Elphin met in the Abbey Hotel in Roscommon on Saturday.
Bishop Kevin Doran says the age profile of priests is rising:
Bishop Doran says there are no plans to close any churches in the dioceses: