Viscount Guillamore

He was made Baron O'Grady, of Rockbarton in the County of Limerick, at the same time, also in the Peerage of Ireland.

His son, the second Viscount, fought at the Battle of Waterloo and represented County Limerick in Parliament.

He was the grandson of the Honourable Waller O'Grady, QC, younger son of the first Viscount.

Lord Guillamore died unmarried and was succeeded by his younger brother, the ninth Viscount.

Hayes O'Grady (died 1864), brother of the first Viscount, was an Admiral in the Royal Navy.

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