Is the locality name and suburb of Lithgow City Council. According to Danny Whitty, an Aboriginal descendent of the Wywandy tribe, Marrangaroo is a combination of two words, one for Emu and one for Kangaroo. Ref: Personal correspondence, Danny Whitty to Michael Keats, November 2009. Wendy Lewis, legally recognised as a traditional owner of Wiradyuri lands, in her correspondence of 8th April 2010 records, Marrangaroo as an Aboriginal word meaning good magpie. However according to Helen Riley, Wiradjuri Elder and Sharon Riley, Wiradjuri representative, the aboriginal name means, Little Black Ant. Ref: Oral history 3rd May 2016.