The Dictionary of Australasian Biography/Macarthur, Hannibal Hawkins
Macarthur, Hannibal Hawkins, son of James Macarthur, and nephew of John Macarthur, of Camden Park, New South Wales, was born at Plymouth, England, on Jan. 16th, 1788. He emigrated to New South Wales with his uncle, who had come home on a visit, in 1805, and assisted the latter in the development of the merino wool industry. In 1812, whilst on a visit to England, he married Anna Maria, eldest daughter of Captain Philip Gidley King, R.N., sometime Governor of New South Wales. For some years he was police magistrate of Parramatta, and was one of the first members of the first Legislative Council appointed by the Crown. When the elective system was introduced he was returned for Parramatta. He died at Norwood, in Surrey, on March 6th, 1861. Mrs. Macarthur died at Ipswich, Queensland, on Sept 1st, 1852.