Standish O'Grady, 1st Viscount Guillamore

Arms of O'Grady: *Per pale gules and sable, three lions passant guardant in pale per pale argent and or*

The Rt. Hon. Standish O'Grady, 1st Viscount Guillamore, PC (1766 – 21 April 1840), from Cahir Guillamore, County Limerick, served as Lord Chief Baron of the Exchequer for Ireland for a number of years. He was created Viscount Guillamore by a patent of 28 January 1831.