| Name | Birth date | Relationship with Bruce Hildebrandt |
|---|
| O'Hare, Jessie Talbot | | 7th cousin twice removed |
| O'Hare, John | | Husband of the 7th cousin once removed |
| O'Hare, Joshua | | 7th cousin twice removed |
| O'Hare, Rich | | Husband of the 7th cousin once removed |
| Ohland, Lester | Unknown | Husband of the 6th cousin once removed |
| Ohlandt, Anna | September 14, 1749 | 1st cousin 5 times removed |
| Ohlandt, Karin | | Wife of the 6th cousin once removed |
| Olandt, Henrich | October 19, 1721 | Husband of the 4th great-grandaunt |
| Olandt, Hinrich | | Husband of the 5th cousin 3 times removed |
| Ölckers, Alheit | February 24, 1686/87 | Wife of the 1st cousin 9 times removed |
| Olesen, Jens | | Husband of the 3rd cousin |
| Olesen, Kristina Korsgaard | | 3rd cousin once removed |
| Olesen, Kristine | | Wife of the 1st cousin twice removed |
| Olesen, Malene Korsgaard | | 3rd cousin once removed |
| Olsdatter, Bodil | 1702 | 6th great-grandmother |
| Olsdatter, Ellen | | 5th great-grandmother |
| Olsen, Allan | | 2nd cousin once removed |
| Olsen, Anna Meline | September 2, 1894 | Wife of the granduncle |
| Olsen, Anne Lykke | | 2nd cousin |
| Olsen, Anne-Lise | | 1st cousin once removed |
| Olsen, Anthon | July 19, 1902 | Husband of the grandaunt |
| Olsen, Bent | | Husband of the great-grandaunt |
| Olsen, Bent Vagn | | 1st cousin once removed |
| Olsen, Brian Kjærsgaard | | 2nd cousin once removed |
| Olsen, Curt Verner | | 2nd cousin |
| Olsen, Ellen | | 2nd cousin |
| Olsen, Ellen Margrethe | | 1st cousin once removed |
| Olsen, Gerda | | 2nd cousin |
| Olsen, Hans | | Husband of the 5th great-grandmother |
| Olsen, Helen | | 2nd cousin once removed |
| Olsen, Henning Peter | | 2nd cousin |
| Olsen, Jan Peter | | 2nd cousin |
| Olsen, Jens | | 6th great-grandfather |
| Olsen, Johannes Peter | | 1st cousin once removed |
| Olsen, Karen Bonrud | | Wife of the 2nd cousin once removed |
| Olsen, Leif Anthon | | 1st cousin once removed |
| Olsen, Lilian | | 1st cousin once removed |
| Olsen, Maria Louise Kjærgaard | | 2nd cousin once removed |
| Olsen, Marianne Birgit | | 2nd cousin |
| Olsen, Mia | | Wife of the 2nd cousin once removed |
| Olsen, Michael Christian | | 2nd cousin |
| Olsen, Nilaus | | Husband of the great-grandaunt |
| Olsen, Noel Hannes Fredrik | | 2nd cousin once removed |
| Olsen, Susanne Pia | | 2nd cousin |
| Olsen, Tage Peer | | 1st cousin once removed |
| Olsen, Torben Anthon | | 2nd cousin |
| Olsen, Vilhelm | April 11, 1910 | Husband of the 1st cousin once removed |
| Olzman, Dolores | | Wife of the half 6th cousin once removed |
| O'Reilly, Kelly Jo | | 8th cousin 3 times removed |
| O'Reilly, Patrick | | Husband of the 8th cousin twice removed |
