| Last Name | First Name | Married | Date | Officiating Rabbi |
|---|---|---|---|---|
| O'Connor | Saundra Rae | Vesokie, Allan | October 18, 1964 | Dudley Weinberg |
| Olansky | Marlene | Kligerman, Robert David | September 1, 1963 | Dudley Weinberg |
| Olansky | Marlene | Kligerman, Robert David | September 1, 1963 | Dudley Weinberg |
| Omanoff | Selma Fisher | Altshuler, Charles H. | July 25, 1960 | William A. Greenebaum II |
| Oppenheim | Barbara Naomi | Epstein, Henry David | November 14, 1948 | Dudley Weinberg |
| Orenberg | Martin Paul | Lourie, Edith Marion | August 31, 1952 | Dudley Weinberg & Marius Ranson |
| Orenstein | Marsha Ann | Lowe, David Philip | June 10, 1973 | Dudley Weinberg |
| Ort | Marion Minna | Fox, Sumner Saul | June 8, 1955 | Dudley Weinberg |
| Oscharoff | Steven Jay | Weinshel, Margot Possum | September 3, 1968 | Stanley M. Davids |
| Ostroff | Carl Roy | Abrams, Nancie Lee | September 7, 1952 | Dudley Weinberg |
| Ostrov | Charles Sherman | Berkoff, Marjorie Ann | June 18, 1960 | Dudley Weinberg |
| Ostrow | Sue Jaye | Baumblatt, Michael Jon | June 15, 1958 | Dudley Weinberg |