| Father | Male McNulty N. "Mack" McMahan |
| Born | 10 Feb 1878 | Tennessee |
| Died | 28 Nov 1948 | |
| Buried | Brown Cemetery, Pottawatomie County, Oklahoma |
|
| Married | ||
| Father | Dr. Wilson R. "Cud" McMahan | F13387 Group Sheet | |
| Mother | Mary Catherine Caton | F13387 Group Sheet | |
| Mother | Female Matilda Rodella "Tilda" Parton |
| Born | 18 Jan 1880 | Tennessee |
| Died | 4 Sep 1947 | Tecumseh, Shawnee, Oklahoma |
| Buried | Brown Cemetery, Pottawatomie County, Oklahoma |
|
| Father | Benjamin Parton | F12635 Group Sheet | |
| Mother | Deborah Malinda Shultz | F12635 Group Sheet | |
| Child 1 | Male William H. McMahan |
| Born | 6 Mar 1897 | Tennessee |
| Died | 15 Feb 1936 | |
| Buried | Brown Cemetery, Pottawatomie County, Oklahoma |
| Child 2 | Male + John Walter McMahan |
| Born | 8 Jan 1900 | |
| Died | 24 Nov 1958 | |
| Buried | Brown Cemetery, Pottawatomie County, Oklahoma |
|
| Spouse | America Sybrilla | F25719 | |
| Married | ||
| Child 3 | Female + Mary Emert Pearl McMahan |
| Born | 10 Apr 1902 | Tennessee |
| Died | 26 Jul 1984 | |
| Buried | Gable Cemetery, Lincoln County, Oklahoma |
|
| Spouse | Ira Earl McLaughlin | F17839 | |
| Married | ||
| Child 5 | Female Bertie Clark McMahan |
| Born | 25 Jan 1910 | Tennessee |
| Died | 4 Feb 1990 | |
| Buried | ||
| Spouse | Willard C. Guinn | F17838 | |
| Married | ||
| Child 8 | Female + Grace J. McMahan |
| Born | 4 Mar 1917 | Oklahoma |
| Died | 14 Oct 2001 | Mesquite, Dallas County, Texas |
| Buried | ||
| Spouse | Arline "Pat" Warren | F17840 | |
| Married | ||
| Spouse | Harold E. Wahl | F90064 | |
| Married | 7 Aug 1976 | |