A few. In the Quiet Man I counted at least five slams while his character Sean Thornton hunted his runaway wife (played by the wonderful Maureen O'Hara).
John Wayne Gacy has 2 children
John Wayne's second son Patrick Wayne played in McLintock.
John Wayne was credited with 143 roles as the "leading man"
John Wayne has appeared in more than 250 movies
two
About 25 doors in common freight trains.
John Wayne has 7 children
John Wayne Gacy has 2 children
John Wayne Gacy has 2 children
John Wayne's second son Patrick Wayne played in McLintock.
There are many photos of John Wayne available online for viewing. Simply do a google image search for "John Wayne"
John Wayne was credited with 143 roles as the "leading man"
John Wayne has appeared in more than 250 movies
John Wayne and director John Ford teamed up on 21 films
John Wayne has 7 children
two
According to the Wikipedia article on John Wayne he had a "six-pack-a-day cigarette habit".