Thanks for those additions! I dug up a book by David Beaty last night which mentions O.P. Jones a few times:
The anecdote I copied into my first post is also in this book but slightly different. As the contributor who sent it to me mentions in his text that his father was also regularly in contact with David Beaty, the author of this book, it is logical that they both knew of this same story but it got changed a bit over the years.
I'll see if I can add some of the other anecdotes from this book later this day or tomorrow.
Edit: Just found this:
O P Jones I wonder if that footage is available somewhere...