Arthur Mills, 3rd Baron Hillingdon

Arthur Robert Mills, 3rd Baron Hillingdon (13 October 1891 – 5 December 1952), styled The Honourable Arthur Mills between 1898 and 1919, was a British Conservative politician.

Mills was the second son of Charles Mills, 2nd Baron Hillingdon, and the Honourable Alice Marion Harbord, daughter of Charles Harbord, 5th Baron Suffield.^[1] He succeeded his elder brother Charles Thomas Mills as Member of Parliament for Uxbridge in 1915, a seat he held until 1918. In 1919 he entered the House of Lords on the death of his father.^[2][3]

Lord Hillingdon married the Honourable Edith Mary Winifred Cadogan, daughter of Henry Cadogan, Viscount Chelsea, in 1916.^[2] They had two sons and three daughters. Lady Hillingdon was chairman of the Central Women's Advisory Committee of the Conservative Party and was made a Dame Commander of the Order of the British Empire in 1939.^[4] She was godmother to her niece Sarah, eldest daughter of John Spencer-Churchill, 10th Duke of Marlborough.^[5]

Lord Hillingdon died in December 1952, aged 61, and was succeeded in the barony by his eldest son, Charles. Lady Hillingdon died in June 1969, aged 73.^[1]

Coat of arms of Arthur Mills, 3rd Baron Hillingdon

Crest A demi-lion reguardant Or gorged with a collar gemel Azure between the paws a millrind Sable. Escutcheon Gyronny of eight Argent and Azure a millrind Sable. Supporters On either side a lion reguardant Or gorged with a collar gemel Azure charged on the shoulder with a cross flory Sable. Motto Nil Conscire Sibi[6]

• Hesilrige, Arthur G. M. (1921). Debrett's Peerage and Titles of courtesy. 160A, Fleet street, London, UK: Dean & Son. p. 478.{{cite book}}: CS1 maint: location (link)

• Hansard 1803–2005: contributions in Parliament by Lord Hillingdon