This order was first established in Merrillville, IN, around 1993 by seven York Rite Masons. This order is by-invitation-only by a current member and eligibility for membership is predicated on active membership in all York Rite bodies, but to be an officer, one must have been initiated as a Knight of the York Cross of Honor.
The basic organizational unit is known as a Preceptory. From what I can find, there are Preceptories in Indiana, Illinois, Minnesota, and Missouri. Members are distinguished by a black beret, with a combined York Rite bodies patch. Preceptories are composed of the following officers:
Deputy Director General
Master of Ceremonies
Preceptories fall under the governance of a Grand Preceptory which is composed of the following officers:
Grand Director General
Grand Deputy Director General
Grand Master of Ceremonies
Yeomen were traditionally servants associated with noble households and the military. Around the Hundred Years' War, you started seeing "yeoman archers" in the armies as well as the navies. By the 17th century, "yeoman" became a rank for the seamen who were in charge of the ship's storage. The derivation of "yeoman" is uncertain, but, in my opinion, it is clearly of a Nordic/Scandinavian origin. It is agreed that yeoman is a combination of "yeo" and "man". The root of "yeo" is heavily debated. Some believe it "youngman" or "youngerman" which is considered to be synonymous with "lesser thegn", a social status in old England. Their use of the term "yeoman" though is very appropriate as this group is for members who are faithful servants to the Craft.
1. Grand Preceptory. (n.d.). Retrieved from Yeoman of York: https://www.yeomenofyork.org/
2. Hodapp, C. (2008, April 06). Yeoman of York. Retrieved from Freemasons for Dummies: http://freemasonsfordummies.blogspot.com/2008/04/yeoman-of-york.html
3. Preceptory No.3 - Yeoman of York. (n.d.). Retrieved from Clinton Masonic Lodge: https://sites.google.com/a/clintonmasoniclodge.com/clinton-masonic-lodge/york-rite/appendant-and-allied-bodies/preceptory-3---yeomen-of-york
4. Yeoman. (n.d.). Retrieved from Wikipedia: https://en.wikipedia.org/wiki/Yeoman