| naam | geboren | overleden | leeftijd | e.v. | opmerking | aanduiding |
| Albertje Arendina Oeseburg | 20-05-1890 | 28-09-1969 | 79 | Goudemond | | |
| Geuchien Okken | 18-09-1849 | 07-01-1940 | 90 | Bisschop | | |
| Hendrik Okken | 11-01-1913 | 1945 | 32 | Veen | | |
| Hillechien Okken | 18-04-1882 | 28-04-1944 | 62 | Laan | | |
| Marika Hillechina Okken | 27-03-1910 | 10-12-2007 | 97 | Nipperus | (Marie) | |
| Merijke Okken | 1873 | 1935 | 62 | | | |
| August Oldenburg | 06-03-1909 | 14-11-1970 | 61 | | | |
| Drewe Oldenburg | 10-12-1889 | 22-04-1975 | 85 | Lentz | | |
| Eilke Oldenburg | 23-07-1915 | 20-02-1961 | 45 | | | |
| Gerdina Oldenburg | 27-04-1867 | 16-04-1945 | 77 | Lukkien | | |
| Anna Jantiena Oldenburger | 02-10-1920 | 26-03-1999 | 78 | Westerbaan | | |
| Roelof Oldenburger | 04-05-1923 | 08-07-1975 | 52 | Ridderbos | | |
| Thijs Oldenburger | 12-03-1910 | 29-03-1981 | 71 | Bos | | |
| Sietje Oldenhuis | 17-07-1911 | 14-05-2005 | 93 | Zijlema | | |
| Oldenziel | 08-01-1940 | 08-01-1940 | 0 | | kind van P. Oldenziel en J. Mulder | |
| Aaltje Oldenziel | 03-04-1890 | 07-12-1977 | 87 | Brouwer | | |
| Egge Oldenziel | 28-03-1877 | 01-01-1930 | 52 | Schuringa | | |
| Egge Pieter Oldenziel | 12-03-1936 | 05-02-2021 | 84 | Velde | | |
| Heilina Oldenziel | 29-02-1864 | 30-10-1926 | 62 | Boer | | |
| Herman Oldenziel | 19-08-1907 | 04-05-1927 | 19 | | zoon van B. Oldenziel en G. Schuringa | |
| Herman Oldenziel | 10-03-1879 | 14-05-1935 | 56 | Redeker | | |
| Jan Oldenziel | 12-07-1910 | 22-02-1968 | 57 | Brouwer | | |
| Jan Geert Oldenziel | 12-03-1935 | 28-03-1935 | 0 | | zoon van J. Oldenziel en M. Brouwer | C287 |
| Jantiena Janna Oldenziel | 06-08-1924 | 07-02-2020 | 95 | Doornbos | | |
| Otto Oldenziel | 23-02-1906 | 09-12-1926 | 20 | | zoon van G. Oldenziel en R. Zondag | |
| Egelina Olthof | 03-02-1843 | 15-08-1931 | 88 | Vrieze | | |
| Geessien Olthof | 08-06-1850 | 04-04-1931 | 80 | Wijdels | Eerder Partner van Veldhuis | |
| Allagonda Roelfina Onnes | 28-01-1945 | 05-02-1945 | 0 | | dochter van H.J. Onnes en J. Tissingh | |
| Herman Jacob Onnes | 10-03-1909 | 10-12-1957 | 48 | Tissingh | | |
| Jan Onnes | 30-10-1877 | 04-10-1953 | 75 | Vrieze | | |
| Jan Eerke Onnes | 02-03-1881 | 08-11-1975 | 94 | Schuringa | | |
| Arendina Oorburg | 09-02-1858 | 29-12-1923 | 65 | Reiber | | |
| Fennechien Oorburg | 22-03-1870 | 08-04-1958 | 88 | Scheun | | |
| Geert Oorburg | 11-07-1900 | 24-12-1994 | 94 | Twikkeler | | |
| Gesina Oorburg | 20-06-1851 | 21-08-1925 | 74 | Bruins | | |
| Henderikus Johannes Oorburg | 24-03-1934 | 07-06-1946 | 12 | | zoon van G. Oorburg en L. Twikkeler | |
| Marchien Oorburg | 16-03-1874 | 30-01-1927 | 52 | Tillman | | |
| Titia Oorburg | 19-05-1878 | 11-01-1922 | 43 | Panjer | | |
| Alberdina Jantina van Oost | 10-05-1939 | 30-12-2016 | 77 | Wind | | |
| Barbera Oost | 16-08-1902 | 06-03-1989 | 86 | Robertus | | |
| Andries Oosterheert | 07-06-1948 | 03-06-2006 | 57 | Wiersema | | |
| Elizabeth Oosting | 09-03-1854 | 19-02-1942 | 87 | Hof | | |
| Hindrik Oosting | 15-01-1894 | 16-12-1928 | 34 | Brouwer | | |
| Jan Oosting | 26-08-1888 | 19-12-1966 | 78 | Kok | | |
| Jantje Oosting | 15-05-1915 | 27-02-2006 | 90 | Venema | | N94 / N95 |
| Klaas Oosting | 13-02-1902 | 17-07-1957 | 55 | Naaijer | | |
| Klaas Hendrik Oosting | 26-01-1930 | 30-07-1982 | 52 | Roossien | | |
| Berend Oostland | 12-01-1902 | 14-05-1984 | 82 | Roosien | | |
| Berendje Oostra | 14-12-1919 | 08-03-2005 | 85 | Rijskamp | | |
| Grietje Oostra | 21-03-1858 | 11-02-1931 | 72 | Knigge | | |
| Jantje Otten | 07-10-1886 | 26-04-1964 | 77 | Nieboer | | |
| Pieterdina Gezina Otten | 20-04-1884 | 19-01-1956 | 71 | Hiddingh | | |
| Willem Otten | 03-05-1862 | 02-12-1921 | 59 | Kroon | | |
| Hillechien Ottens | 23-08-1871 | 09-01-1958 | 86 | Wegener | | |
| Oudenampsen | | | | | familie Oudenampsen | |
| Geessiena Jantina Oudman | 31-01-1947 | 27-01-2010 | 62 | Drenth | (Ina) | |
| Frederika Overberg | 03-05-1923 | 22-12-1997 | 74 | Kok | | |
| Pietrig Ozinga | 06-03-1872 | 05-04-1940 | 68 | Bunt | | |