Ron,

Thanks for the list. I'll check into it.

I'm pretty sure that someone initially would have been given command of these four guns since they were already part of Parsons' 6th District ("Division") at Boonville where the MSG gathered in June. According to several contemporary MSG sources these were guns captured from the Liberty arsenal in April and are not the same ones smuggled into Camp Jackson in St. Louis. Guibor had been a Lt. in the Jackson Artillery under Capt. William Jackson during the border wars with Kansas.

Gov. Jackson attempted to call the guns up from Tipton where Price had ordered them on June 13th. He did this sometime around the 16th or early 17th when he learned that Lyon was moving from Jefferson City, but they did not make the 20+ mile trip in time for the fight on the morning of the 17th and instead joined along the retreat. Price was in nominal charge but sick and elsewhere, so Gov. Jackson was calling the shots. Jackson decided to fight for political reasons, but the separated command and absence of Price seems to have resulted in paralysis with respect to Parson's force at Tipton. From the OR's map fo Missouri it looks like there was a parallel avenue of attack on a river road along the South bank. Therefore, I can only see the position at Tipton as being useful for defending a withdrawal to the south/southwest. It left the front door (river road) and back door (river itself) completely open.

Guibor and Barlow caught up with the battery after that according to various sources and were put in charge since Parsons did not have anyone with artillery experience. I'm guessing as to who might have started in the role. However, today I have located two Corkery's in the MSG list that served with Guibor's battery:
CORKERY, Jonathan J. of St. Louis listed as a Captain (but commission date not given) who was wounded at Wilson's Creek--haven't checked to see if he is listed in the OR report.
CORKERY, William, 1st Lt. enlisted in May of '61 and was wounded at Lexington in Sept. '61 and wounded at Vicksburg in '63.

These might have been more St. Louis men who caught up on the retreat and were assigned sections. On the other hand Kelly's Irish company was also from St. Louis, was the best drilled of Parson's force, and was inexplicably held in reserve by Gov. Jackson. I suspect these fellows with Irish surnames were already with the guns and were muddling their way through serving them until Guibor and Barlow arrived.

Hmm. Just looked up Langan in the MSG list and this is what I found:
LANGAN, John M. - Field & Staff, 1st Division, Colonel/ Assistant Adjutant General, Appointed 6/25/61, Resigned 9/1/61

Seems possible that he might have been given a promotion and lateral move at Cowskin Prairie (Carthage camp) if he was an inexperienced battery captain. However it seems improbable that he would have ended up in a different division if this happened.

HARRIS, Aaron W. - St. Joseph Artillery Battery, 5th Division, Lieutenant, Resigned 12/61. This was Landis' battery apparently.