1834 – Bellingham Castle, Castlebellingham, Co. Louth Architect: Thomas Smith Designed by Thomas Smith, an English architect who worked in Ireland for Sir Patrick Bellew, whose estates were in Co.
1834 – Former Louth Hospital, Dundalk, Co. Louth Architect: Thomas Smith Designed by English architect Thomas Smith who came to work in County Louth in the early to mid 19th century.
1839 – Barmeath Castle, Dunleer, Co. Louth Architect: John B. Keane / Thomas Smith Originally the site of a medieval Castle of the Pale, it was enlarged in the mid 18th century into a Georgian residence.
1863 – Church of England, Naples, Italy Architect: Thomas Smith Following a handwritten note by Giuseppe Garibaldi gifting the land to the church, this beautiful building as it stands today was built in 1863.