People — M
Mary Nótár
b. 1985
singer
Mary Nourse
1880 – 1971
historian
Mary Novik
b. 1945
novelist
Mary Noyes Farr
1853 – 1938
clubwoman
Mary Nuttall De Renne
1835 – 1887
Mary Nwachukwu
b. 1969
handball player
Mary Nyburg
1918 – 2006
artist
Mary Nzimiro
1898 – 1993
businessperson
Mary O. Boyle
b. 1941
politician
Mary O'Brien
1926 – 1998
philosopher
Mary O'Brien, 3rd Countess of Orkney
1721 – 1791
politician
Mary O'Brien Harris
1865 – 1938
politician
Mary O'Brien
writer
Mary O'Connell
1814 – 1897
nurse
Mary O'Connell
1778 – 1836
Mary O'Connor
b. 1950
rower
Mary O'Connor
b. 1959
alderman
Mary O'Connor
b. 1977
American football player
Mary O'Connor
b. 1955
athletics competitor
Mary O'Donnell
b. 1954
poet
Mary O'Donnell de Garmo
1861 – 1953
clubwoman
Mary O'Donnell
Mary O'Donoghue
b. 1975
poet
Mary O'Donovan Rossa
1845 – 1916
poet
Mary O'Grady
b. 1901
journalist
Mary O'Hagan
1823 – 1876
nun
Mary O'Hara
b. 1935
harpist
Mary O'Hara
1885 – 1980
screenwriter
Mary O'Hara
writer
Mary O'Kane
b. 1954
scientist
Mary O'Kelly de Galway
1905 – 1999
Mary O. Kryszak
1875 – 1945
librarian
Mary O'Leary
Mary O'Leary
b. 1901
screenwriter
Mary O'Malley
1941 – 2020
screenwriter
Mary O'Malley
b. 1954
poet
Mary O'Malley
b. 1945
psychotherapist
Mary O'Malley
1918 – 2002
theatre director
Mary O'Neill
b. 1965
fencer
Mary O'Neill
b. 1941
politician
Mary O'Riordan
Mary O'Rourke
1937 – 2024
politician
Mary O'Rourke
1913 – 1964
Mary O'Rourke
barrister
Mary O'Shiell
1715 – 1749
businessperson
Mary O'Toole
1874 – 1954
judge
Mary Oates Spratt Van Landingham
1852 – 1937
historian
Mary Obering
1937 – 2022
painter
Mary Odette
1901 – 1987
actor
Mary Odile Cahoon
1929 – 2011
nun
Mary Odili
b. 1952
politician
Mary Odilia Berger
1823 – 1880
nun
Mary of Avesnes
1280 – 1354
aristocrat
Mary of Baux-Orange
Mary of Bourbon
1515 – 1538
aristocrat
Mary of Burgundy
1457 – 1482
politician
Mary of Burgundy
1386 – 1422
aristocrat
Mary of Chatillon
1323 – 1363
aristocrat
Mary of Egypt
344 – 421
hermit
Mary of Enghien
1367 – 1446
politician
Mary of Guelders
1434 – 1463
consort
Mary of Hungary
1505 – 1558
regent
Mary of Hungary
1257 – 1323
statesperson
Mary of Jesus de León y Delgado
1643 – 1731
religious
Mary of Jesus of Ágreda
1602 – 1665
writer
Mary of Lancaster
1320 – 1362
Mary of Looz-Heinsberg
1424 – 1502
Mary of Lorraine
1515 – 1560
king
Mary of Lusignan, Countess of Brienne
1215 – 1251
Mary of Lusignan, Queen of Naples
1382 – 1404
Mary of Modena
1658 – 1718
aristocrat
Mary of Nassau-Dillenburg
1568 – 1632
aristocrat
Mary of Nassau-Siegen
1491 – 1547
Mary of Nassau-Siegen
1418 – 1472
Mary of Rome
Mary of Scotland, Countess of Boulogne
1082 – 1116
Mary of Shaftesbury
Mary of St. Jerome Tourneux
1808 – 1896
Mary of St Joseph Doyle
1835 – 1869
religious sister
Mary of Teck
1867 – 1953
aristocrat
Mary of the Cross Goemaere
1809 – 1891
religious person
Mary of the Divine Heart
1863 – 1899
nun
Mary of Waltham
1344 – 1361
aristocrat
Mary of Woodstock
1278 – 1332
nun
Mary of York
1467 – 1482
aristocrat
Mary Ogden Abbott
1894 – 1981
illustrator
Mary Ogg
nurse
Mary Okwakol
b. 1951
lecturer
Mary Oliver
1935 – 2019
poet
Mary Oliver
b. 1956
jazz musician
Mary Oliver Jones
1858 – 1893
author
Mary Olivia Gowan
1888 – 1977
nun
Mary Olivia Kennedy
1880 – 1943
journalist
Mary Olivia Nutting
1831 – 1910
librarian
Mary Olmsted
1919 – 2018
economist
Mary Olson
b. 1958
politician
Mary Olstine Graham
1842 – 1902
Mary Onahan Gallery
1866 – 1941
writer
Mary Oneida Toups
1928 – 1981
writer
Mary Onyali-Omagbemi
b. 1968
athletics competitor