| Father | Male Gilbert R. "Gib" McMahan |
| Born | 9 Jun 1851 | Tennessee  |
| Died | 28 Oct 1938 | |
| Buried | Shady Grove Baptist Church Cemetery, Sevier County, Tennessee |
|
| Married | ||
| Other Spouse | Mary M. Townsend | F14288 | |
| Married | 3 Feb 1867 | , Sevier County, Tennessee |
| Father | Archibald D. McMahan | F13225 Group Sheet | |
| Mother | Rebecca F. McMahan | F13225 Group Sheet | |
| Mother | Female Martha Elizabeth "Eliza" Manis |
| Born | 18 Oct 1867 | Tennessee |
| Died | 23 Jan 1920 | |
| Buried | Shady Grove Baptist Church Cemetery, Sevier County, Tennessee |
|
| Father | James R. "Jim" Manis | F11278 Group Sheet | |
| Mother | Eliza Sutton | F11278 Group Sheet | |
 Child 1 | Male> James Wilson De Arnold "Arnold" "Tubby" McMahan |
| Born | 25 Feb 1893 | Sevier County, Tennessee |
| Died | 18 Jul 1963 | |
| Buried | Richardson Cove Cemetery, Sevier County, Tennessee |
|
| Spouse | Stella Mollie Howard | F14264 | |
| Married | ||
| Child 2 | Male Henry Russell McMahan |
| Born | 18 Nov 1894 | |
| Died | 29 Sep 1918 | France |
| Buried | 25 Apr 1921 | Shady Grove Baptist Church Cemetery, Sevier County, Tennessee |
| Child 3 | Female R. Elzory McMahan |
| Born | 25 Feb 1898 | |
| Died | 23 Apr 1906 | |
| Buried | , Sevier County, Tennessee |
| Child 4 | Male > Dallas Redmond "Ras" McMahan |
| Born | 29 Mar 1899 | Sevier County, Tennessee |
| Died | 6 Mar 1960 | |
| Buried | Shady Grove Baptist Church Cemetery, Sevier County, Tennessee |
|
| Spouse | Gladys Carr | F14019 | |
| Married | ||
| Child 5 | Male > George McKinley McMahan |
| Born | 11 May 1900 | Tennessee |
| Died | 13 Feb 1965 | |
| Buried | Shiloh Cemetery, Pigeon Forge, Sevier County, Tennessee |
|
| Spouse | Nancy Ellen King | F13385 | |
| Married | 25 Sep 1921 | , Sevier County, Tennessee |
| Child 6 | Female > Melinda L. McMahan |
| Born | 24 May 1903 | |
| Died | 1 Dec 1968 | |
| Buried | Shady Grove Baptist Church Cemetery, Sevier County, Tennessee |
|
| Spouse | Manson Ottis Bohannon | F11130 | |
| Married | ||
| Child 7 | Male > Earl Winfred "Jack" McMahan |
| Born | 31 Jul 1904 | Sevier County, Tennessee |
| Died | 23 Jul 1990 | |
| Buried | Boogertown Cemetery, Sevier County, Tennessee |
|
| Spouse | Nummie Ethel McCarter | F14029 | |
| Married | 5 Aug 1925 | , Sevier County, Tennessee |
| Spouse | Lydia Matilda Knight | F14027 | |
| Married | 31 Jul 1966 | Sevierville, Sevier County, Tennessee |
| Child 8 | Female > Nancy Jane McMahan |
| Born | 6 Nov 1908 | Tennessee |
| Died | 22 Apr 1986 | |
| Buried | Mt. Zion Cemetery, Sevier County, Tennessee |
|
| Spouse | Robert Filmore King | F14033 | |
| Married | 16 Aug 1925 | , Sevier County, Tennessee |