Dearbforgail ingen Donnchada O'BRIEN ( - 1080)
Moy O'BRIEN ( - )
Conall MacFaelain O'DUNLAINGE ( - )
Diarmait MacRuaidri O'FAELAIN ( - )
Finn MacMael Morda O'FAELAIN ( - 923)
Mael Morda MacMuirecan O'FAELAIN ( - 917)
King Ui Feilmeda Cearnachan O'GAIRBITA ( - )
Uchdelb ingen Cearnachan O'GAIRBITA ( - )
Alfred O'NEAL ( - )
Hannah O'NEAL ( - )
Margaret O'NEALE ( - )
Mary B. O'NEALE ( - )
Dervorgilla O'NEILL ( - )
Flann MacDomnaill O'NEILL ( - 1037)
Duke Dietricht of OBER-LOTHRINGEN (1060 - )
Princess Petronille of OBER-LOTHRINGEN (1086 - 1144)
King Carlus MacAillela ui Aeda ODBA ( - )
ODE ( - )
Catey ODELL (1830 - )
Isaac ODELL (1831 - )
James ODELL (1838 - )
Sophia Emaline ODELL (17 Nov 1841 - 29 Jan 1930)
Pinnie ODESSA ( - )
Margaret ODINGSELLS ( - )
William ODINGSELLS ( - )
Adam ODLE ( - )
Anthony ODLE ( - )
Bertie E. ODLE (8 May 1880 - 13 Jul 1956)