OAKELEY
OAKES
OAKESHOTT
OAKSEY and TREVETHIN
OAKSHOTT
OATES, Sir Thomas
O’BRIEN
O’BRIEN, Sir William Donough
O’BRIEN, Sir Frederick William Fitzgerald
O’BRIEN, Sir Richard
O’BRIEN – see INCHINQUIN
O’CALLAGHAN – Chief of O’CALLAGHAN
O’CATHAIN
OCKHAM – see LOVELACE
O’CONNELL
O’CONOR DON – Chief of O’CONOR
ODDSSON, David
O’DEA, Sir Patrick Jerad
ODELL, Sir Stanley John
ODGERS, Sir Graeme David William
O’DONNELL OF TIRCONNELL – Chief of O’DONNELL
O’DONOGHUE OF THE GLENS – Chief of O’DONOGHUE
O’DONOVAN – Chief of O’DONOVAN
O’DOWD, Sir David Joseph
OFFALY – see LEINSTER
OGILVIE, Dame Bridget Margaret
OGILVY, Sir Angus James Bruce
OGILVY – see AIRLIE
OGILVY, Chief of – see AIRLIE
OGILVY OF INVERQUHARITY
OGILVY-WEDDERBURN
OGMORE
OGNALL, Sir Harry
O’GRADY OF KILBALLYOWEN – Chief of O’GRADY
O’HAGAN OF TULLAHOGUE
OHLSON
O’KELLY OF GALLAGH AND TYCOOLY – Chief of O’KELLY
OLIPHANT OF THAT ILK – Chief of OLIPHANT
OLIVER, Dame Gillian Frances
OLIVER, Sir James Michael Yorrick
OLIVER OF AYLMERTON
OLLERENSHAW, Dame Kathleen Mary
O’LOGHLEN
OLVER, Sir Stephen John Linley
OMAND, Sir David Bruce
O’MORCHOE – Chief of O’MORCHOE
O’NEILL OF BENGARVE
O’NEILL OF CLANNABOY – Chief of O’NEILL
O’NEILL OF SHANE’S CASTLE
O’NIONS, Sir Robert Keith
ONSLOW
ONSLOW
OPPENHEIM-BARNES
OPPENHEIMER
ORANMORE AND BROWNE – see MEREWORTH
O’REGAN, Sir Stephen Gerard
O’REILLY, Sir Anthony John Francis
ORKNEY
ORME
ORR, Sir David Alexander
ORR, Sir John
ORR EWING OF BALLIKINRAIN
ORR-EWING of Hendon
OSBORN
OSBORN, Sir John Holbrook
OSBORNE
OSMOND, Sir Douglas
OSMOTHERLY, Sir Edward Benjamin Crofton
OSSULSTON – see TANKERVILLE
O’SULLEVAN, Sir Peter John
OSWALD, Sir John Julian Robertson
OSWALD, Sir William Richard Michael
OTTON, Sir Geoffrey John
OTTON, Sir Philip Howard
OULTON, Sir Antony Derek Maxwell
OUSELEY, Sir Duncan Brian Walter
OUSELEY
OUTRAM
OWEN
OWEN, Sir Geoffrey David
OWEN, Sir John Arthur Dalziel
OWEN, Sir Robert Michael
OXBURGH
OXENBURY, Dame Shirley Ann
OXFORD AND ASQUITH
OXFUIRD – Chief of MAKGILL
OXMANTOWN – see ROSSE