John Wayne portrayed aging rancher Wil Anderson in the 1972 movie "The Cowboys"
John Wayne died in the westerns, the Shootist, the Cowboys, and the Alamo.
Under his saddle.
Brendan Wayne is John Wayne's grand-son, and appears in that film.
Below is a link to the exact locations used in the film The Cowboys (1972).
Yes, the Cowboys.
I think the character's name was John Anderson. The Cowboys was one of Wayne's best and most-loved movies and one of only a few in which his character was married. It was also one of very few in which his character dies. John Wayne's name in The Cowboys was actually Wil Andersen. -Bryce