| Nancy McCown | |
 Modena (left) with her older sister Mollie in 1980. | |
| Birth: | 22 September 1878 Texas, USA |
| Death: | 8 June 1989 Texas, USA |
| Age: | 110 years, 259 days |
| Country: |  USA
|
| Validated | |
Nancy Modena McCown (née Hensley; 22 September 1878 – 8 June 1989) was a verified American supercentenarian. She was born as Nancy Hensley in Delta County, Texas. Her parents were John and Jane Hensley. John was a Civil War veteran. Jane passed away when McCown was only three years old. She had 5 siblings in total. The family maintained a farm of 103 acres.
Modena married William McCown on 8 January 1914. The couple had 2 sons. One of them, William Jr., died in World War 2. Modena was very active in church as a Presbytarian. She became a widow in 1960. She moved to a nursing home in 1972. Her health in 1984 was said to be "excellent". Her sister, Mallie Yeager, died in May 1982 at age 106 (almost 107).
Nancy McCown died on 8 June 1989, at the age of 110 years, 259 days.