William Ewart was a British politician. In 1863, Ewart conceived the idea of a blue plaque to commemorate a link between a location and a famous person or event, serving as a historical marker. It is the oldest such scheme in the world.
- Occupation
- politician
- Position held
- member of the 19th Parliament of the United Kingdom, member of the 18th Parliament of the United Kingdom, member of the 17th Parliament of the United Kingdom, member of the 16th Parliament of the United Kingdom
- Citizenship
- United Kingdom of Great Britain and Ireland, Kingdom of Great Britain
- Born
- May 1, 1798