Mary Selina Bayliss was an English magistrate for 32 years, the High Sheriff of Berkshire from 2005 to 2006, and the Lord Lieutenant of Berkshire from 2008 to 2015.
- Position held
- High Sheriff of Berkshire, Lord Lieutenant of Berkshire, magistrate
- Born
- January 14, 1940
- Died
- March 30, 2019