People: O
O'Flaherty, Catherine
O'Flaherty, Eliza
O'Flaherty, Liam
O'Flaherty, Thomas
O'Flanagan, James Roderick
O'Gallagher, C. N.
O'Gorman, Francis
O'Grady, Carrie
O'Grady, Jane
O'Grady, Standish
O'Guithin, Micheal
O'Hagan, Andrew
O'Hagan, John
O'Hagan, Simon
O'Halloran, Sylvester
O'Hara, Charles
O'Hara, Kathleen
O'Hara, M. J.
O'Hara, Maureen
O'Hare, John
O'Hart, John
O'Hea, Juliet
O'Hehir, Diana
O'Higgins, Bernardo
O'Hinkley, Matthew
O'Kane, Maggie
O'Keefe, Laura
O'Keeffe, Adelaide
O'Keeffe, Brian
O'Keeffe, Georgia
O'Keeffe, J. A.
O'Keeffe, J. G.
O'Keeffe, John
O'Keeffe, Mary
O'Leary, Arthur
O'Leary, Ellen
O'Leary, John,, 1830 - 1907
O'Leary, John,, scholar
O'Loughlin, Katrina
O'Mahoney, John
O'Mahony, John
O'Mahony, Nora Tynan
O'Malley, Andrew
O'Malley, Dorothy
O'Malley, Father
O'Malley, Grace
O'Malley, Ida
O'Malley, Joseph
O'Malley, Kate
O'Malley, Martin