1762 – St. Thomas’s Church, Marlborough St., Dublin Architect: John Smyth Construction started in 1758 and took four years to complete. Based on Palladio’s church of the Rendentore at Venice.
1768 – Poolbeg Lighthouse, Dublin Architect: John Smyth The Great South Wall on which Poolbeg Lighthouse stands, extends from Ringsend over 4km out to sea.
1769 – St. Catherine’s Church, Thomas St., Dublin Architect: John Smyth Originally built in 1185, the church was rebuilt in its present form in the 18th century by John Smyth (or Smith).
1834 – Gate Lodges, Ballysaggartmore, Co. Waterford Architect: John Smyth According to the Dublin Penny Journal, a John Smyth, described elsewhere as a gardener, was the architect of the extravagantly castellated gateway and avenue bridge at Ballysaggartmore.