Records starting with O
- O'Connor, Susan
- O'Connor, William
- O'Connor, William
- O'Connor, William
- O'Connor, Winifred
- O'Dell, $
- O'Dell, $
- O'Dell, Amelia
- O'Dell, Emily
- O'Dell, James
- O'Dell, John
- O'Dell, Kathleen
- O'Dell, Margaret
- O'Dell, William
- O'Dell, William
- O'Donaghue, George
- O'Donnell, Julia
- O'Donnell, Michael
- O'Donnell, Olive
- O'Donnell, Sarah
- O'Donoghu, Charles
- O'Donoghue, Annie
- O'Donoghue, Kathleen
- O'Donoghue, Kathleen
- O'Donoghue, Kathleen
- O'Donoghue, Leonard
- O'Donoghue, Leonard
- O'Donoghue, Mary
- O'Donohue, Josephine
- O'Donovan, Myra
- O'Dorsett, Eileen
- O'Dowd, Jeremiah
- O'Dowd, Marcella
- O'Drager, Stephen
- O'Driscoll, Florence
- O'Driscoll, Henry
- O'Driscoll, Michael
- O'Duffy, Carmel
- O'Dwyer, Daniel
- O'Dwyer, Daniel
- O'Dwyer, Kathleen
- O'Dwyer, Nora
- O'Fflahertie, Gwendoline
- O'Fflahertie, Lucy
- O'Field, John
- O'Flaherty, Ethna
- O'Gorman, John
- O'Gorman, Patrick
- O'Gorman-Lalor, Nicholas
- O'Grady, James
