1790s – Curraghmore, Portlaw, Co. Waterford Architect: James Wyatt / John Roberts / Samuel Ussher Roberts In the late eighteenth century, the 2nd Earl, afterwards 1st Marquis of Waterford,
1862 – Lenaboy Castle, Galway Architect: Samuel Ussher Roberts House built for Captain O’Hara at a reported cost of £3,500 according to the Dublin Builder.
1863 – Jesuit Church, Galway Architect: Samuel Ussher Roberts Cruciform gothic church adjacent to the Jesuit College. Designed by Samuel Ussher Roberts, originally the intention was to have the church and school built to designs of J.J.
1865 – Kylemore Abbey, Co. Galway Architect: Samuel Ussher Roberts Kylemore Abbey, now the home of Benedictine nuns, stands at the edge of the lake surrounded by woodlands.
1866 – Gurteen le Poer, Gurteen, Co. Waterford Architect: Samuel Ussher Roberts Constructed for Edmond de la Poer, whose family has held land here from Norman times.
1875 – Creagh, Ballinrobe, Co. Mayo Architect: Samuel Ussher Roberts Creagh House was built by Colonel Knox in 1875, ‘beautiful manor house to the right of the French chateau lately occupied by his predecessor’