Mary Selina Bayliss CVO (14 January 1940 – 30 March 2019) 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.
She was born on 14 January 1940 at Bramham Park in West Yorkshire, which was the home of her mother's family.
The couple moved to Sheepbridge Court at Swallowfield in the county of Berkshire, and had three sons.
[1] In 1978, she was appointed as a magistrate in Reading, the county town of Berkshire.
She was appointed High Sheriff of Berkshire in 2005, Deputy Lord Lieutenant of Berkshire in 2007, and Lord Lieutenant in 2008, acting as the Queen's official representative in the county.