1785 – Clonbrock House, Ahascragh, Co. Galway Architect: John Leeson / John Hampton Constructed for Robert Dillon, and took five years to complete. Later porch from the 1820s by John Hampton.
1828 – Uncompleted Design for St Nicholas of Myra, Dublin Architect: John Leeson Uncompleted design for St Nicholas of Myra on Francis Street in Dublin. Different from what was completed by John Bourke in 1858,
1834 – St Nicholas of Myra, Francis Street, Dublin Architect: John Leeson / John Bourke Built between 1829-34 by John Leeson with later work by John Bourke in 1858,