Kammala wannan jumla: Gwamna King ya fara magana da Rouse Hill dangane da share ƙasa a Castle Hill a watan Maris na 1802. Asali an san yankin a matsayin wani ɓangare na Mulgrave Place. An canza shi zuwa Upper Nelson lokacin da aka gina asalin Hawkesbury Road. Ƙungiyar
fitinar fursunoni a gonar Gwamnati a Castle Hill da kuma abubuwan da suka faru a baya a 1804, wanda aka sani da Yaƙin Vinegar Hill, ya ga an san yankin da Vinegar Hill na ɗan lokaci, kafin a canza shi zuwa Rouse Hill biyo bayan buƙatar mai mallakar gida Richard Rouse. Rouse ya mallaki kyautarsa daga 1813, kodayake ba a ba da kyautar ba har sai wani lokaci daga baya.