- Ongley (continued)
- Joan Muriel (1921 - 1989)
- Joe (1918 - 2000)
- John (before 1790 - )
- John (1832 - after 1841)
- John Monk (1852 - after 1861)
- Joseph Augustine, Kt (Sir) (1918 - 2000)
- Judith Ann (1925 - 2012)
- June (1915 - 2003)
- June Vivian (1932 - 1999)
- Kathleen Rose (1912 - 1971)
- Laura Louisa (circa 1858 - 1941)
- Lois (1913 - 1991)
- Louisa (1832 - circa 1916)
- Lucy (1817 - circa 1895)
- Lueza (1832 - circa 1916)
- Margaret Violet (between 1927 and 1928 - 1979)
- Maria (circa 1810 - 1897)
- Maria Elizabeth (1926 - 2013)
- Marie Francoise Therese (1922 - 2000)
- Marie Therese, B. Sc. (1922 - 2000)
- Mary (1792 - 1795)
- Mary (between 1805 and 1807 - 1845)
- Mary (1810 - circa 1884)
- Mary Ann (1821 - before 1830)
- Mary Ann (between 1824 and 1825 - circa 1910)
- Mary Ann (between 1830 and 1831 - after 1881)
- Mary Ann (1855 - 1920)
- Mary Constance Dominica (between 1915 and 1916 - 2006)
- Mary Ellen (1871 - 1954)
- Mary Graham (1843 - circa 1916)
- Michael Bruce (1937 - 1993)
- Mildred (before 1785 - 1821)
- Mildred (before 1813 - after 1840)
- Mildred Lenora (1910 - 2000)
- Milne Joseph (1924 - 2019)
- Monica (1885 - 1942)
- Monica Annie, (Dr) (1917 - 1994)
- Mont (1922 - 1976)
- Montague, B.A., M.A., B.Sc., FRSNZ (1888 - 1976)
- Montague Arthur (1914 - 1983)
- Montague Cyril, (Dr) (1922 - 1976)
- Nellie Victoria (1888 - 1960)
- Nora Crina (1891 - 1986)
- Nora Cyprian (1926 - 2017)
- Oliver (1866 - 1950)
- Ottilie P. (1911 - circa 1969)
- Patrick (circa 1918 - 1989)
- Patrick Augustine, B.A., M.A. (1890 - 1918)
- Patrick Augustine (1919 - 1998)
- Percy Charles Walter (1878 - 1942)
- Peter (1836 - circa 1931)
- Peter (between 1855 and 1856 - circa 1927)
- Philip Percy Henry (1911 - 1973)
- Quentin Leo (1962 - 2023)
- Robert (1829 - circa 1888)
- Robert Anthony Sinclair, M.B., Ch. B. (1923 - 1985)
- Robert Campbell, LL.B. (1887 - 1959)
- Rose (1861 - circa 1941)
- Rose (1881 - 1971)
- Rose (1892 - 1974)
- Rose Alice (1879 - 1967)
- Rosemary Hazel (1943 - 2017)
- Ruth Josephine (1917 - 1991)
- Salome (1799 - 1861)
- Sarah (before 1760 - 1830)
- Sarah (circa 1780 - 1856)
- Sarah (1795 - 1795)
- Sarah (1885 - 1942)
- Sarah Ann (between 1824 and 1826 - 1903)
- Sarah Ann (between 1849 and 1850 - circa 1918)
- Stanley Eugene (1911 - 1979)
- Stanley James (1885 - 1941)
- Stephanie Frances (circa 1960 - 1983)
- Stephen (circa 1862 - circa 1929)
- Thomas (before 1759 - )
- Thomas (1787 - 1858)
- Thomas (between 1805 and 1806 - 1839)
- Thomas (between 1816 and 1817 - )
- Thomas (circa 1844 - circa 1919)
- Thomas (circa 1858 - circa 1899)
- Thomas Milne, M. B., Ch. B. (Dr) (1915 - 2005)
- Thomas Milne (1955 - 1955)
- Tom (1915 - 2005)
- Tony (1923 - 1985)
- Topsy (1917 - 1994)
- Valentine Mary (1925 - 2000)
- Virginia May (1915 - 1996)
- Walter (circa 1860 - circa 1902)
- Walter (circa 1891 - after 1911)
- William (1820 - circa 1895)
- William (1830 - 1838)
- William (circa 1846 - )
- Onion
- Onley
- Onslow
- Openshaw
- Opperman
- Oram
- Orchard
- Organ
- Organs
- Orgar
- Oriel
- Orman
- Orme
- Ormerod
- Ormes
- Esther (circa 1820 - circa 1894)
- Ormond
- Ormrod
- Orpen
- Orpwood
- Orr
- Orr-Ewing
- Orrey