- OERGAL, Lynn
- OLINGER, Betty June (1934-2006)
- OLINGER, Donald Jasper (1922-1992)
- OLINGER, Dorothy Jean (1923-2009)
- OLINGER, Gladys Lucille (1916-2003)
- OLINGER, Jasper Wallace
- OLINGER, Joseph C.
- OLINGER, Margaret Alta (1919-1992)
- OLINGER, Mary Ann (1930-?)
- OLINGER, Ralph Johnson (1897-1986)
- OLINGER, Roger Lewis (1926-1927)
- OLINGER, William Henry (1859-1922)
- OLINGER, William Henry (1919-1996)
- OLINGER, Wilma Louise (1931)
- ORPHILIA, Dora (?-?)
- ORCUTT, Florence Louise
- ORTMAN, Verna Cleo (January 11, 1893-March 22, 1987)
- ORTT, Cheryl
- OTT, Joseph (?-?)
- OTT, Minnie (1887-May 11, 1969)