Looking on the internet deeply has found these results:

Of the boys John is more tall is the most popular phrase on the web.

Of the boys John is taller 112,700,000 results on the web	Of the boys John is more tall 1869,000,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
John is the taller of the two boys. Some of the best times, when John is leaving Central Park... there's this coffee shop that he goes to. John is one of the few genuinely nice guys practicing corporate law. I'd say John is a man with a bit of the devil in him himself. John is a member of the swimming club. Stephen Hawking is a genius all right, but John is... more toward that end of the spectrum than the rest of us. Red John is one of the top brass. Red John is one of the most difficult cases we've faced.	John is one of the few genuinely nice guys practicing corporate law. John is the taller of the two boys. Red John is one of the most difficult cases we've faced. I'd say John is a man with a bit of the devil in him himself. John is a member of the swimming club. As more tall tales of the bathroom swept through school, Brick's quest to give up liquids continued. Some of the best times, when John is leaving Central Park... there's this coffee shop that he goes to. Red John is one of the top brass.

Of the boys John is taller

112,700,000 results on the web

Of the boys John is more tall

1869,000,000 results on the web

More popular!

John is the taller of the two boys.
Some of the best times, when John is leaving Central Park... there's this coffee shop that he goes to.
John is one of the few genuinely nice guys practicing corporate law.
I'd say John is a man with a bit of the devil in him himself.
John is a member of the swimming club.
Stephen Hawking is a genius all right, but John is... more toward that end of the spectrum than the rest of us.
Red John is one of the top brass.
Red John is one of the most difficult cases we've faced.

John is one of the few genuinely nice guys practicing corporate law.
John is the taller of the two boys.
Red John is one of the most difficult cases we've faced.
I'd say John is a man with a bit of the devil in him himself.
John is a member of the swimming club.
As more tall tales of the bathroom swept through school, Brick's quest to give up liquids continued.
Some of the best times, when John is leaving Central Park... there's this coffee shop that he goes to.
Red John is one of the top brass.