Hart was also baptised on 4 April 1815. He and his brother George left London in April 1843 on board the Mary, arriving in Wellington on 9 August 1843.[1][2]
He was a well-known solicitor and barrister in Wellington, first with the firm Messrs. Holroyd and Hart, then for many years as the principal member of the firm Messrs Hart and Buckley.[3]
He was elected in 1853 to the 1st New Zealand Parliament, representing the City of Wellington electorate, but did not serve in any further Parliaments.[4] In the 1855 general election, five people contested the City of Wellington electorate. Whilst the results were close, Hart came last and was not returned.[5] He contested 27 December 1856 by-election against Samuel Revans in the Hutt electorate and gained 24 votes against 96 for Revans.[6]
He married Catherine McLean on 10 January 1867 at St. Andrew's Church, Wellington. Catherine was the sister of Donald McLean, the Superintendent of Hawke's Bay Province.[8] His brother was the politician George Hart.[9]