O Monica
O Boyle Theresa Jean
O Brien Carol Anne
O Brien Grace Eleanor
O Brien Joanne Louise
O Brien Stephen John
O Connor Linda Ellen T.
O Hare David Malcolm
O Rourke Lee Thomasine
O' Brien Guy Sylvester
O' Brien-Délorme Kimberly
O' Flynn Emer Therese-Anne
O' Grady Kathleen May
O' Hagan Mary Catherine E.
O' Neil Kyle Neil
O' Reilley Bridget Teresa
O' Reilly Heidi Grace
O' Shea Marian
O'Beirn Nicholas John
O'Beirne Bridget Marie