Mulgrave is a suburb in the north west of Sydney in New South Wales, Australia. It is a predominantly industrial and commercial area. The district was settled in the period between 1794 and 1800. Lieutenant-Governor Grose named the locality 'Mulgrave Place' honouring Constantine Phipps, the second Baron Mulgrave, who had died in 1792. Baron Mulgrave …Mulgrave is a suburb in the north west of Sydney in New South Wales, Australia. It is a predominantly industrial and commercial area. The district was settled in the period between 1794 and 1800. Lieutenant-Governor Grose named the locality 'Mulgrave Place' honouring Constantine Phipps, the second Baron Mulgrave, who had died in 1792. Baron Mulgrave had been an English naval officer and statesman and a colleague and friend of Joseph Banks.