John Joseph O'Callaghan (1838 – 2 November 1905) was an Irish architect who designed buildings in both England and Ireland.
Life
O'Callaghan was born in County Cork, Ireland. After training in Cork he came to Dublin to join the practice of Thomas Newenham Deane and Benjamin Woodward. In 1856 he was sent as clerk of works to Oxford where he had the opportunity of studying mediaeval architecture. He became an advocate of the Gothic style.[1]
He remained with Deane and Woodford until he set up his own business in Merrion Row in Dublin in 1871. He was elected first president of the Architectural Association of Ireland in 1872.[2]
