Kinnaird was partner in the banking firm of Ransom, Morland and Hammersley of
Pall Mall, London; the MP
William Morland was one of the partners, as was
Hugh Hammersley MP. Kinnaird fell out with the
Prince of Wales, one of the bank's customers, who moved his business to
Coutts & Co.[3][4] He was also chairman of the London Fire Office.[2]
With Morland, Kinnaird helped set up the Dundee New Bank in 1802.[5]Henry Boase as managing partner of the Pall Mall bank went to
Dundee to reconstruct it, in 1804.[6]
Kinnaird was known as an art collector. The collection he founded was based on purchases from the
Orleans Collection, dispersed in 1792, along with other works such as Parmigianino's Virgin and Child. The dealer
Thomas Moore Slade imported Northern European works for Kinnaird, Hammersley and Morland. Kinnaird's collection was subsequently housed at, and named for,
Rossie Priory; and was sold in 1948.[2][9][10]
Kinnaird married Elizabeth, daughter of Griffin Ransom. He was succeeded by their second son Charles.[12] Their fifth son
Douglas James William was an MP.[14] The other sons and the daughters were:[15]
^George IV, King of Great Britain (1938). A. Aspinall (ed.).
The Letters of King George IV 1812–1830. CUP Archive. p. 16 note 2. GGKEY:6ERQU9Q532Z. Retrieved 12 March 2013.