O
- O
- O ' Sullivan
- O Aluko / T M Shaw
- O B Gregory
- O Briain
- O Brian Patrick
- O Broin
- O C
- O Callaghan
- O Cathain
- O Corrain
- Ó Cuilleánain
- O D Morris
- O D Morris / Paul Cooke
- O D Morris / Paul Cooke / Frances O'Regan
- Ó Dochartaigh
- O Douglas
- O Douglast
- O E Crawshaw / D C Perkins
- O E Hunt
- O F Morshead
- O F Walton
- O Faudel - Phillips
- O Fielding Clarke
- O G A Girls High School
- O G Dorey
- O G S Crawford
- O G Thetford
- O G Tomkeieff
- O Garnett