Parents
- Henry Conyngham (1766 - 1832), Marquess Conyngham, privy counsellor, general
- Elizabeth Denison (1769 - 1861)
Famille
- Marié le 23 avril 1824 à Londres, avec Jane Paget (1798 - 1879), dont
George Henry (1825 - 1882)
Jane (1826 - 1900)- Cecilia Augusta ( - 1877)
- Frances Caroline Maria (1827 - 1898)
- Elizabeth Georgiana (ca 1829 - 1904)
- Francis Nathaniel (1832 - 1880)
Occupations
- postmaster general (1834, 1835)
- lord chamberlain of the Household (1835 - 1839)
- vice-admiral of Ulster (1849 - 1876)
- lord-lieutenant of County Meath (1869 - 1876)
- privy counsellor
- general
Distinctions
- order of Saint Patrick