Rubuta ci gaba don wannan sakin layi - An ba da izinin farko na ƙasa ga Ezekiel Benson, mai binciken ƙasa, a ranar 7 ga Agusta, 1820. Wannan ya biyo bayan ƙasar da aka ba Alan Robinet a 1822. A cikin 1863, an sanya sunan Orangeville bayan Orange Lawrence, wani dan kasuwa da aka haifa a Connecticut a 1796 wanda ya mallaki masana'antu da yawa a ƙauyen. Yayinda yake saurayi, ya koma Kanada kuma ya zauna a gundumar Halton. A lokacin tawayen Mackenzie
A shekara ta 1837, ya kasance kyaftin a cikin 'yan bindiga. Lawrence ya sayi ƙasar da ta zama Orangeville daga Robert Hughson. Ya zauna a yankin a 1844 kuma ya kafa mille. Ofishin gidan waya ya fito ne daga 1851. Lawrence Orange ya kashe kansa a ranar 15 ga Disamba, 1861. A shekara ta 1873, an zartar da Dokar Haɗakarwa kuma an ba Orangeville matsayin gari a ranar 1 ga Janairu, 1874. An kammala ɗakin karatu na jama'a, wanda ke Broadway da Mill Street, a 1908. Andrew Carnegie, sanannen ɗan kasuwa kuma mai ba da taimako, ya ba da taimako na kuɗi don ginin.