Mayo is a village in Yukon, Canada, along the Silver Trail and the Stewart River. It had a population of 200 in 2016. The Yukon Bureau of Statistics estimated a population of 496 in 2019. It is also the home of the First Nation of Na-Cho Nyak Dun, whose primary speak the northern variety of the Tutchone language. Na-Cho Nyäk Dun translates into "big river p…Mayo is a village in Yukon, Canada, along the Silver Trail and the Stewart River. It had a population of 200 in 2016. The Yukon Bureau of Statistics estimated a population of 496 in 2019. It is also the home of the First Nation of Na-Cho Nyak Dun, whose primary speak the northern variety of the Tutchone language. Na-Cho Nyäk Dun translates into "big river people."