He was the only son of Sir James Parker Deane and was educated at Winchester College and Balliol College, Oxford where he won the International Law essay prize in 1870.

[1] In 1870, he was called to the Bar, and from 1892 worked primarily in the Probate, Divorce and Admiralty Division of the High Court of Justice.

[1] He served as Recorder of Margate from 1885[1] until he was raised to the bench as a Justice of the High Court on 1 February 1905,[3][4] being knighted at Buckingham Palace on 10 February.

[5] He retired in 1917,[1] was granted an annuity of £3,500,[6] and was sworn of the Privy Council on 16 November that year.

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