- Mary Smith
- 76/96 year(s):day(s)
- United States (Dallas)
The oldest adopted person is Mary Banks Smith (b. 5 March 1939, USA) who was aged 76 years 96 days when she was officially adopted by Muriel Banks Clayton (USA) in Dallas, Texas USA, on 9 June 2015.
Muriel Banks Clayton also took the record of the oldest adoptive parent as she was 92 years 322 days old when she officially adopted Mary Banks Smith.