1854 – St. Mary’s Church, Newcastle, Co. Down Architect: John J. McDonnell Starting life as a simple single aisle church, the nave was entended by two bays,
1883 – Design for the Ulster Reform Club, Belfast Architect: John J. McDonnell Unsuccessful competition entry to design a building on Royal Avenue for the Ulster Reform Club.
1900 – Palace Chambers, Royal Avenue, Belfast Architect: John J. McDonnell Three storey brick and stucco building turning the corner into North Street. Demolished in 1928 and replaced by the art deco Bank of Ireland.
1900 – St. Peter’s Church, Lurgan, Co. Armagh Architect: John Murray / John J. McDonnell / Ashlin & Coleman St. Peter’s Church was founded in 1833 but was enlarged and redecorated mny time over the years.
1919 – Unbuilt Design for St. Michael’s Church, Cootehill, Co. Cavan Architect: John J. McDonnell “The illustration on this page of the new church of St Michael, Cootehill, Co. Cavan which is about to be erected for the Very Rev P.