| Descent |
| Thomas Cassingham (Sr.) |
| James Cassingham |
| James Wesley Cassingham |
| Mary Dell (Cassingham) Lyon |
| Arthur Edgar Lyon |
| Mary Lyon |
Mary Lyon is the daughter of Arthur Edgar Lyon and Pauline Alice Penny. She was born in 1922 in Illinois.
- In 1945, she married (1) Jack O. Keoughan in North Carolina.
- In 1957, she married (2) Richard Whitney Sanders (Sr.). He as born in 1927.
Children of Mary Lyon and Richard Whitney Sanders (Sr.):
- Richard Whitney Sanders (Jr.) was born in 1959.