Pedzisa mutsara unotevera: Akaberekerwa muNelson Township muUpper Canada muna 1814, mwanakomana waWilliam Chisholm. Akadzidza paUpper Canada College uye akatamira kuHamilton, gare gare achigara muOakville. Akashanda mumasoja eGore mukati meUpper Canada Rebellion uye
Kupamba kwevaFenian. Chisholm akashanda semutongi weTrafalgar Township kubva muna 1830 kusvika muna 1852. Muna 1841, akagadzwa kuti ave mukuru mukuru muLegislative Assembly of the Province of Canada. Muna 1849, akakuvadzwa panguva yemhirizhonga apo Mutemo Wokuparadzwa Kwevapanduki wakapfuudzwa. Akasiya basa muna 1854 uye akasarudzwa kuti amiririre Halton mudare remitemo. Akasarudzwa semutungamiriri wekutanga weOakville muna 1857, achishanda kusvika muna 1862; akashanda imwe nguva muna 1873.