Ó Carragáin, Tomás (1)

O’Brien, Kate (1)

O’Callaghan, John Cornelius (1)

O’Casey, Sean (1)

O’Conor, Charles (1)

O’Donoghue, Florence (1)

O’Donoghue, Seamus (1)

O’Duffy, Eimar (1)

O’Faolain, Sean (1)

O’Farrell, Padraic (1)

O’Grada, Cormac (1)

O’Grady, Standish (1)

O’Mahony, Mathew (1)

O’Mahony, T.P. (1)

O’Neill, Michael J. (1)

O’Reilly, Edward (1)

O’Sullivan, Jerry (1)

O’Sullivan, Seumas (1)

O’Sullivan, William (1)

Osgood, Harriett (1)

Ostroff, Eugene (1)

Oulton, J.E.L. (1)

Overman, Frederick (1)

Oxenham, John (1)