Baron Hillingdon

Baron Hillingdon, of Hillingdon in the County of Middlesex, was a title in the Peerage of the United Kingdom held by the Mills family.

The family descended from William Mills, who married Elizabeth Digby. Their son was Charles Mills, a Director of the Honourable East India Company and a member of the Council of India. On 17 November 1868 he was created a Baronet in the Baronetage of the United Kingdom. He was succeeded by his only son, Charles Henry Mills, who became the second Baronet. He married Lady Louisa Lescelles, and was a banker and Conservative politician. On 15 February 1886 he was raised to the Peerage of the United Kingdom as Baron Hillingdon, of Hillingdon in the County of Middlesex.

When he died the titles passed to his eldest son, the second Baron, Charles William Mills. He was also a banker and Conservative politician. He was married to The Hon. Alice Harbord, and was succeeded by his son, the third Baron, Arthur Robert Mills, due to his eldest son, Charles Thomas Mills being killed in action. The third Baron was married to The Hon. Edith Mary Cadogan, daughter of the Viscount Chelsea, who's sister married the The 10th Duke of Marlborough. The third Baron sat as Conservative Member of Parliament for Uxbridge.

When he died the titles passed to his eldest son, the fourth Baron, Charles Hedworth Mills, who died on 6 May 1978, The title then passed to the third Baron's first cousin, Patrick Charles Mills, son of Geoffrey Edward Mills, sixth son of the first baron. He died in 1982. On his death the titles became extinct.

The Mills family part-owned the London bank Glyn, Mills & Co. and held close business relationships with the Rothschild family.

Hillingdon Court, built by Sir Charles Mills, 1st Baronet in 1858, served as the Mills family home until it was sold.

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