1610 – Portumna Castle, Co. Galway A semi-fortified house that was built before 1618 by Richard de Burgo, the 4th Earl of Clanricarde. It was the main seat of the de Burgo family for over 200 years,
1864 – New Castle, Portumna, Co. Galway Architect: Architect: Sir Thomas Newenham Deane Built in a French Gothic style for the Marquess of Clanricarde. It was two-storeys with a high pitched roof and an attic of steep gables and dormer-gables.