English English Wikipedia has an article on:Perth CountyWikipedia Etymology (This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.) Pronunciation IPA(key): /ˈpɝθ ˈkaʊn.ti/ Hyphenation: Perth Coun‧ty Rhymes: -aʊnti Proper noun Perth County A county in south-west Ontario, Canada.Wikiwand - on Seamless Wikipedia browsing. On steroids.