https://www.thecanadianencyclopedia.ca/en/article/won-alexander-cumyow
W.A. Cumyow p 359 the interpreter as the first Chinese Canadian born in 1861 from the article above
Also the first Chinese Canadian to cast a vote in 1947.
W. A. Cumyow translated between Chinese and English, but he also translated between Chinook Jargon and English. Chinook Jargon was spoken
Chinook Jargon
BC Chinook Jargon Sam Sullivan’s Chinook Jargon page with discussion groups let by “Chinook Man” Dave Robertson.