Olman, Hester (birth 1 May 1866 Zuidland - died 2 Mar 1931 Rotterdam)
Ossedrijver, Bernhard Salomon (birth 14 Jun 1895 Rotterdam - died 17 Jun 1967 Den Haag)
Ossedrijver, Emanuel (birth 7 Apr 1869 Rotterdam - died 21 May 1943 Sobibor (vernietigingskamp), Polen)
Ostrow, Ida B. (birth 31 Oct 1892 Massachusetts - Verenigde Staten, died 17 Apr 1994 Palm Beach, Florida, Verenigde Staten)
Oudkerk, Benjamin (birth 16 Apr 1851 Den Helder - died 8 Mar 1923 Den Helder)
Oudkerk, Elsje (birth 7 Oct 1880 Den Helder - died 4 Jun 1943 Sobibor (vernietigingskamp), Polen)
Oudkerk, Hijman (birth 28 Jul 1815 Amsterdam - died 26 Feb 1873 Den Helder)
Oudkerk, Levie (birth 17 Feb 1849 Schagen)
Oudkerk, Ludovicus (birth 23 Nov 1878 Antwerpen - Belgie, died 4 Jun 1943 Sobibor (vernietigingskamp), Polen)