Last name Fitzroy (Fitzroy 
) , across the world, is a rare surname. The last name Fitzroy is characteristic of Australia, where it is quite a rare surname, Ireland, where it is a rare surname, and the United Kingdom. Measured by absolute frequency, it is the most numerous in Australia, the United States, and the United Kingdom. More prevalently, Fitzroy is the forename as well as the last name.
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| Fitzroy | United Kingdom, Jamaica, Australia, United States, Trinidad and Tobago |
| matilda fitzroy 12th-century illegitimate daughter of King Henry I of England (b. 1050) |
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| richard fitzroy 12th-century illegitimate son of King Henry I of England, FR (b. 1100) |
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| matilda fitzroy, duchess of brittany Illegitimate Daughter of Henry I (b. 1150) |
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| richard fitzroy Illegitimate son of King John (b. 1190) |
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| henry fitzroy English noble of the 12th century (b. 1200) |
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| oliver fitzroy EG (b. 1200) |
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| adam fitzroy illegitimate son of Edward II of England (b. 1307) |
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henry fitzroy Royal Bastard of Henry VIII (1519-1536), GB (b. 1519) |
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mary fitzroy, duchess of richmond and somerset British duchess (b. 1519) |
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charles fitzroy, 2nd duke of cleveland Son of Barbara Palmer (1632-1730), Countess of Castlemaine and Charles II of England, GB (b. 1662) |
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henry charles fitzroy Illegitimate son of King Charles II and English duke (1663-1690), GB (b. 1663) |
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charlotte fitzroy English noble (b. 1664) |
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george fitzroy, 1st duke of northumberland British Army general, GB (b. 1665) |
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isabella fitzroy, duchess of grafton British peeress and Duchess of Grafton (b. 1668) |
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lady barbara fitzroy British prioress, GB (b. 1672) |
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Reid, Wright, Stewart, Bennett, Pinnock, Roberts, Jackson, Johnson, Edwards, Francis, Walters, Anderson, Chambers, Campbell, Benjamin, Beckford, Robinson, Richards, Lawrence, Thompson, Hamilton, Williams, Wilson, Walker, Fraser, Harris, Hall, Smith, Allen, Brown, Blake, Davis, Daley, Grant, Green, Lewis, Alexander, James, Henry, Whyte, Clarke, Powell, Rhoden, Gordon, Graham, Joseph, Taylor, Thomas, Jones, and Callender