- Who
- Grandma
- What
- 23:341 year(s):day(s)
- Where
- United States (Halsey)
- When
The oldest sheep living is 23 years 341 days, and was achieved by Grandma, owned by Andrew Moore and Linda Edwards (both USA), in Halsey, Oregon, USA, on 24 April 2018.
Grandma, also known as Ewe #203, is a Horned Dorset.
