1803 – Birr Castle, Co. Offaly Architect: Sir Laurence Parsons / John Johnston There has been a castle on the site since 1170, and from the 14th to the 17th century the O’Carroll family ruled from here over an area known as “Ely O’Carroll”.
1812 – Crinkill Barracks, Birr, Co. Offaly Built between 1809 and 1812 at the instigation of Lawrence Parsons, 2nd Earl of Rosse, who had supported the need to build military barracks within a few hours’ march of the River Shannon.
1815 – St. Brendan’s Church of Ireland, Birr, Co. Offaly Architect: John Johnson / Sir Thomas Drew Built in 1815, to a design by architect John Johnson, with four-bay nave and five-stage tower.
1824 – St. Brendan’s Church, Birr, Co. Offaly Architect: Bernard Mullins A curious design for a Roman Catholic church, looking more like a design by the Board of First Fruits for the Church of Ireland.