I found this link for you. The province of Manitoba did some experimentation with UBI circa 1980, and this work has been cited in many places:

https://humanrights.ca/story/manitobas-mincome-experiment#:~:text=The%20research%20program%20that%20studied,a%20program%20could%20be%20administered.

Not a true UBI.

All your the pros you mentioned for a UBI are well known. THere are other points the advocates fall to see. Here is one of mine:

https://medium.com/@davevolek/keeping-screw-ups-out-of-the-work-force-39afd99ea26

Canada has been finding sneaky ways to implement UBI-like social programs--without calling it a UBI. For example, my family gets a little stipend for our child. We are in the "working poor" category these days. THere are a few other entitlements, which are based on our income.