Oscar Brown was born 22 October 1870 in Atlanta, Georgia, United States to Arthur W. Brown (1824-1900) and Sarah E. Elder (1834-1903) and died 11 July 1945 Topeka, Kansas, United States of unspecified causes.
Children
| Name | Birth | Death | Joined with |
| Walter John Brown (1897-1985) | 2 May 1897 Topeka, Kansas, United States | 16 April 1985 Butte City, California, United States | Gertrude Mary Frydrychowski (1903-1957) |
Siblings
| Name | Birth | Death | Joined with |
| Oscar A. Brown (1870-1945) | 22 October 1870 Atlanta, Georgia, United States | 11 July 1945 Topeka, Kansas, United States | Lena T. Peterson (1874-1953) |