1855 – Glenavon House, Cookstown, Co. Tyrone
Architect: Charles Lanyon or Thomas Turner
Italianate country house designed for Thomas Adair.
1856 – Gosford Castle, Co. Armagh
Architect: Thomas Hopper
Construction of the castle began in 1819 and finished in the 1850s.
1858 – Rossmore Castle, Monaghan, Co. Monaghan
Architects: William Vitruvius Morrison / W.H. Lynn
Also known as Rossmore Park,
1858 – Stormont Castle, Belfast
Architect: Thomas Turner
Designed by Thomas Turner with Henry Davison,
1860 – Annagola House, Co. Monaghan
Fine smaller country house with conservatory and prominent central chimney stack.
1860 – Aughentaine Castle, Fivemiletown, Co. Tyrone
Architect: Isaac Farrell
Aughentaine Castle consisted of a two-storey main block and a lower two-storey wing,
1860 – Durrow Abbey, Durrow, Co. Offaly
The story of Durrow Abbey House is framed by two fires.
1860 – Tinerana House, Killaloe, Co. Clare
An eight-bay two-storey over basement house with dormer attic,
1860s – Ardfinnan Castle, Cahir, Co. Tipperary
Ardfinnan Castle was originally built circa 1186 to guard the river crossing on the River Suir,
1860s – Derryquin Castle, Sneem, Co. Kerry
Architect: J.F. Fuller
Designed by James Franklin Fuller,
