Ockhuizen, Janninchje Hendriksdr van (birth ± 1630)
Odijk, Johanna Hendriks van (birth ± 1690)
Oeges, Fokeltje (birth 1766 Leeuwarden - died 8 Dec 1813 Leeuwarden)
Oomens, Johanna Maria (birth 22 Aug 1875 Gilze - died 6 Oct 1947 Rijen)
Oomens, Peter (birth Dongen)
Oosten, Elisabeth Theodora (birth 16 Dec 1914 Amsterdam - died 29 Jun 1969 Den Haag)
Oosterbaan, Grietje Ypes (birth 1808 - died 27 May 1860 Franekeradeel)
Oostringa, Riemke Gerbens
Ouden, Jannichgen Claesdr den (birth ± 1635 - died 21 May 1705 Harmelen)
Oudenalder, Aukje van den (birth 21 Apr 1921 Utrecht - died 7 Nov 1999 Utrecht)