1840 – Magheramenagh Castle, Belleek, Co. Fermanagh
Architect: John B. Keane
Constructed between 1835 and 1840,
1840 – Mount Stewart House, Co. Down
Architect: George Dance / William Vitruvius Morrison
Between 1804 and 1806,
1840 – Northland House, Dungannon, Co. Tyrone
Architect: Robert Woodgate
Northland House was a three-storey, irregular classical mansion,
1840 – Ravensdale Park, Dundalk, Co. Louth
Architect: Thomas Duff
Constructed in an austere Italianate style,
1840s – Ballymascanlon House, Dundalk, Co. Louth
Now part of a larger hotel complex – the house was remodelled from a late 18th century house into a Tudor Gothic mansion circa 1840.
1840s – Dunleckney Manor, Bagenalstown, Co. Carlow
Architect: Daniel Robertson
Sir Nicholas Bagenal came to Ulster as Marshal of Elizabeth 1st’s army,
1840s – Innismore Hall, Derrybrusk, Co. Fermanagh
A smaller country house from the mid 1840s. A distinctive design with a curved bow end elevation and a bowed portico to the front.
1840s – Kilcooley Abbey, Co. Tipperary
In Burkes Guide to Country Houses, Kilcooley Abbey is described as a large winged house,
1842 – Brownlow House, Lurgan, Co. Armagh
Architect: William Playfair
A large Elizabethan-Revival mansion designed by William Playfair and built between 1836 and 1842.
1842 – Roxborough Castle, Moy, Co. Tyrone
Architect: William Murray / William Barre
Seat of the Earls of Charlemont,
