Hassall Grove is a suburb of Sydney, in the let in of New South Wales, Australia. Hassall Grove is located 46 kilometres west of the Sydney central event district, in the local government area of the City of Blacktown and is allowance of the Greater Western Sydney region.
Thomas Hassall (1794–1868) a clergyman, grazier and magistrate, arrived in the colony similar to his relations in 1798 and they contracted at Camden. Thomas Hassall married Anne, the eldest daughter of Reverend Samuel Marsden and their sons James Samuel and Rowland were together with the primordial students at The King’s School at Parramatta. Thomas Hassall started the first Sunday speculative in Australia in 1813.
Hassall Grove was named to honour Rowland Hassall (1768–1820), who was united with the area as a Church of England Minister. He then acted as agent for the estates of Phillip Parker King and managed Samuel Marsden’s properties in his absence.
According to the 2016 census of Population, there were 4,505 people in Hassall Grove.