Mary Grace Louisa Butler
- Born on March 7, 1846
- Deceased on January 17, 1929, at the age of 82 years
Parents
- John Butler (1808 - 1854), Marquess of Ormonde
- Frances Paget (1817 - 1903)
Family
- Married on July 11, 1877, with William Henry Fitzwilliam (1840 - 1920)