Joe Hancock was registered as number 455 in the American Quarter Horse Association (or AQHA).

[4] When he was registered, he was owned by the Tom L. Burnett Estate in Fort Worth, Texas, which later became the 6666 Ranch.

At one point, there were advertisements run in the Fort Worth Star Telegram and the Daily Oklahoman stating that "Joe Hancock is open to the world, from standing start to 3⁄8ths of a mile."

[6] He also sired two foals that earned their Performance Register of Merit with the AQHA – Brown Joe Hancock and Red Man.

[8] In 2007 Western Horseman magazine chose Joe Hancock as number three on their list of top ten ranch horse bloodlines.