The horse's real name was Dollar, which was Wayne's horse, as opposed to using hired movie horses. On the screen I don't think the horse's name was every mentioned in the movie The Cowboys.
John Wayne's horses - some of them - were: Dollor, Dollar, Duke,Cochise, Beau,
John Waynes' "breakthrough" role was as the "Ringo Kid" in the 1939 movie Stagecoach
Lana Turner
The Mighty John Waynes was created in 1996.
I have never heard of a Wayne movie with that title.
In Rooster Cogburn and True Grit his horse was named "Bo".
Admiral Rockwell Torrey, a fictional character.
Five of his seven children are still living. His children's names are:PatrickEthanMichaelMarisaMelindaAissaMary Antonia
As far as I know, Big Jake has no alternate ending.
His first film was "Helltown" (1926). His last film was "The Shootist" (1976).
Furball
There is no cat featured in "The Shootist", John Waynes last movie. You may be thinking of General Sterling Price, the cat from "True Grit" and the sequel "Rooster Cogburn"