William Addison, 4th Viscount Addison
William Matthew Wand Addison, 4th Viscount Addison, is a British peer. The son of Michael Addison, 3rd Viscount Addison, he succeeded the Viscountcy on the death of his father in 1992.
He was educated at Westminster School and King's School, Bruton.
In the House of Lords, Viscount Addison had sat as a Conservative peer until the House of Lords Act 1999 removed his automatic right to sit in the House. He stood for election as an elected hereditary peer. However, he finished 47th amongst the Conservative peers. He has stood in subsequent by-elections for election to the House, but to date has been unsuccessful.
On 10 October 1970, he married Joanna Mary Dickinson, with whom he had the following children:
- Hon. Sarah Louise Addison
- Hon. Paul Wand Addison
- Hon. Caroline Amy Addison
In 1991, he married Lesley Ann Mawer.