The Sydney suburb of Ermington is named after Lockyer's residence, "Ermington House".
In 1806 Gregory Blaxland established a vineyard in what is now Ermington and produced award winning wines.
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The Police Magistrate to Parramatta, Major Edmund Lockyer, purchased the land in 1827 and built the stone mansion Ermington - named after the parish in Devon, England, where his second wife, Sarah Morris, was born.
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Prior to the 2007 federal election Ermington was the eastern most suburb in the federal electoral division of Parramatta.
In 1908 the Ermington-Rydalmere Council tried unsuccessfully to persuade Ryde aldermen that the name should be Ermington.