[1] In December 1839 he was appointed Master of the Buckhounds under Lord Melbourne,[2] a post he held until the government fell in 1841.

[5] Three years later he was created Baron Kinnaird, of Rossie in the County of Perth, also in the Peerage of the United Kingdom.

[7] Lord Kinnaird married the Honourable Frances Anne Georgina Ponsonby, only daughter of William Ponsonby, 1st Baron de Mauley, at Great Canford, Dorset, on 14 December 1837.

They had three children: Lord Kinnaird died in January 1878, aged 70, without surviving male issue.

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