Career
He was styled Lord Kennedy until 1831, and Earl of Cassilis thereafter until his death. They had ten children:
Lady Hannah Eleanor Kennedy (1815–1877)
Archibald Kennedy, 2nd Marquess of Ailsa (1816–1870)
Honorary Alexander Kennedy (1818–1832)
Honorary
John Kennedy (1819–1846)
Lord David Kennedy (1820–1905)
Lord Gilbert Kennedy (1822–1901)
Captain Honorary
William Kennedy (1823–1868)
Honorary Fergus Kennedy (1826–1852)
Honorary
Nigel Kennedy (1828–1878)
Honorary Adolphus Archibald Kennedy (1832–1842)
As he predeceased his father, he never succeeded to any of the former"s titles. however he was styled as Earl of Cassilis between 1831 and 1832.