Susan Elizabeth Mary Jeune, Baroness St Helier,, known as Mary Jeune, Baroness St Helier, was a London County Council alderman, writer, philanthropist and the wife of Francis Jeune, 1st Baron St Helier.
- Occupation
- essayist
- Position held
- alderman of London County Council
- Citizenship
- United Kingdom, United Kingdom of Great Britain and Ireland
- Born
- May 18, 1845
- Died
- January 25, 1931