- Relationship to Roger Moore: Husband of 2nd cousin 1x removed: Generation: n/a
- Birth: 13 May 1907; Tulare County, California, USA
- Marriage: Rita Evelena Wallace: 1927; Location: Unknown
- Marion & Rita had 2 children: Delphine A Vincent & Myrna Leah Vincent
- Death: 11 Jan 1970; Los Angeles County, California, USA
Marion's brother Eugene Merle Vincent married Rita's sister Dorothy Fern Wallace.
