1818 – Former Griffith Barracks, South Circular Road, Dublin
Architect: Francis Johnston
Originally known as the Richmond House of Correction and later the Richmond Bridewell.
1818 – Former Prison, Sligo, Co. Sligo
Designed to hold 200 inmates in a polygon-shaped building, with six-bay two-storey facets and six-bay three-storey terminal block to south.
1818 – Kilcoleman Abbey, Milltown, Co. Kerry
Architect: William Vitruvius Morrison
Also known as Milltown House.
1818 – Nos. 23-25 Pearse Street, Dublin
Nos. 23–25 Pearse Street, then Great Brunswick Street, served as the main recruiting office of the British Army between 1910 and 1924.
1818 – Orange Hall, Armagh, Co. Armagh
Unusual Orange Hall that consiste of a later hall from 1950 built behind an older building of 1818 with twin pediments and coach arches.
1819 – Cavalry Barracks, Newbridge, Co. Kildare
Architect: Abraham Addison Hargrave
In Spring 1813, a tender from Hargrave,
1819 – Church of Ireland, Cootehill, Co. Cavan
Built in 1819, the church replaced an earlier parish church in Church Street.
1819 – Court House, Dundalk, Co. Louth
Architect: Edward Parke
Designed by Edward Park and supposedly based on the portico design and dimensions of the Temple of Theseus in Athens,
1819 – Garbally Court, Ballinasloe, Co. Galway
Architect: Thomas Cundy
Designed by English architect Thomas Cundy for the Earl of Clancarty.
1819 – Gowran Castle, Co. Kilkenny
Architect: William Robertson
Designed and built by William Robertson for 2nd Viscount Clifden.
