The other occasions were 1987 and 1977. Vettel has 49, Ricciardo seven.
Hamilton has a record 74 career poles, Vettel 53.Max Verstappen, at 20 years old, can still become the youngest ever pole sitter this season. Whilst many are looking at Leclerc as the future of Formula 1, Stroll is still battling his "pay driver" reputation in his second year of competing. He leads Vettel by 14 points.
As the leading customers of Mercedes and Ferrari, Force India and Haas will be taking the fight to Renault, who have been the ever-consistent presence in the top 10 this season.
In the morning session, Williams driver Sergey Sirotkin spun and hit a wall, but was able to continue.
The Briton has had an enduring love affair with Montreal.
It was also the site of his first Formula 1 win in 2007 and he has dominated in each of the past three years, making him the modern day master of Montreal.
"There's some tricks to the track, but it's a great track, there's a lot of over taking possibilities, so it is a good show."
The racing division of the famous Italian vehicle company, Ferrari, was ridiculed online Tuesday after it tweeted about this weekend's upcoming Formula One race in Montreal using an image of downtown Toronto.
An opening lap crash at turn three involving three cars brought out the only safety vehicle of the race, but otherwise, the race was as straightforward a race as it could be for Hamilton and Mercedes.
Lewis Hamilton's quest for a record-tying seventh Canadian Grand Prix victory will be tougher than he wanted.
Then there's the four-hour epic in 2011 as, in wet/dry conditions, Button recovered from last place at one stage early on to pass Vettel's Red Bull on the last lap for the win.
It will be a memorable weekend also for two-time champion Fernando Alonso, who is entered for his 300th Grand Prix and, potentially, his 298th start. Williams rookie Lance Stroll continued Canada's impressive run of backmarkers into the points, as the Canadian finished P9 after starting P17 in his first home F1 race.
McLaren are marking the 50th anniversary of the team's first win, by founder Bruce McLaren in Belgium on June 9, 1968.