Since St. Patrick's Day, 17 March 2006, the institute has had a presence in the Diocese of Limerick in the Republic of Ireland. In Limerick they purchased Sacred Heart Church, Since May 2010, the institute in Ireland has expanded into the diocese of Galway where weekly Mass is offered at St Mary on the Hill, Claddagh. Monthly Masses are offered by priests of the Institute in Ennis every first Sunday of the month and in Belfast every second Sunday of the month. The Institute is closely involved in the annual Catholic Voice conference held in Limerick which features amongst its regular speakers Cardinal Burke and Fr. John Hunwicke.