1879 – Design for No. 17 College Green, Dublin Architect: Perry & Reed Unconstructed design for Guinness & Mahon, who eventually built a new office building on this and the neighbouring plot in 1930.
1930 – Guinness Mahon and Co. Bankers, 16 College Green, Dublin Architect: Robert Donnelly / Donnelly, Moore & Keatinge Guinness Mahon & Company’s premises at 16-17 College Green, rebuilt by G.