- Born on January 25, 1749
Parents
- Jacques-Henry O'Neill (c. 1728 - c. 1789), conde de Tyrone, major du Bataillon de Basse-Pointe
- Marie-Anne Teyssier
Family
- Married on January 23, 1781, with Anne-Louise Hurlot (1756 - 1788), issuing
- Jacques (1783 - 1839)
- François-Henry (aft. 1784 - 1858)
Anne Marie (1785 - )- Marie Rose
Occupations
- officier au Bataillon de Basse-Pointe