User blog comment:Deathstar556/ok corral title?/@comment-10278667-20110601041355

It says in the "Titles" article. Ike Clanton was a participant in the Shootout at the O.K. Corral. Rockstar is just referencing him and the battle.

To get the title, the player needs to get the highest score on the losing team. During the shootout, Clanton was part of the "Cowboys" who fought a group of lawmen. The Cowboys lost, with three dead, while the lawmen only had two wounded. Clanton ran from the fight unharmed. So, I guess, it could be said that Clanton got the highest score on the losing team, not being killed and all (which is definitely a plus).

However, another cowboy named Billy Claiborne also ran from the fight unharmed. So the title could just as easily be called "The 'Billy Claiborne' Award". However, Clanton is the more recognisable figure.

I kind of dragged it out, but I hope that answers your question.