1. Jim Carrey. His family was very poor after his father lost his job.
2. They both are of Canadian-French descent.
3. Celine Dion. Jim Carrey is the youngest of four.
4. Jim Carrey.
Sources:
https://www.thefamouspeople.com/profiles/james-eugene-carrey-1831.php
https://www.biography.com/people/celine-dion-9542132