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William Riley Probst Chapel No.20
The Commemorative Order of St. Thomas of Acon, USA
1930 W Catalpa Springfield, MO 

The Commemorative Order of St. Thomas of Acon is an invitational chivalric and Masonic order. In the United States of America, the Order is governed by the Grand Master’s Council, which warrants local Chapels of the Order. Chapels may be grouped into larger administrative units, known as Provinces, as needs require. 

2025-2026 Officers

Worthy Master Sir Carlin of Langston, Carlin Smittle
Eminent Prior Sir Walden of Lebanon, Gary Walden
Marshall Sir Donald of Grove, Don Charpentier
Treasurer Sir Christopher II of Escondido, Christopher Story
Secretary Sir Edward of Litchfield, Ed Choate
Deputy Marshall Sir Dale of Sparta, Dale Roller
Almoner Sir Gregory of Meadowbrook Manor, Greg Walker
1st Working Knight Sir Tim of Laclede, Tim Southard
2nd Working Knight Sir Jeff of Lebanon, Jeff Stokes
3rd Working Knight Sir Christopher II of Escondido, Christopher Story
4th Working Knight Sir Barton of Rosatti, Bart Cardetti
Herald Sir James of St. Louis, Jim McManigle
Doorkeeper Sir Clinton of Norwood, Clint Mitchell
Cellarer Sir Roy of Cass County, Roy Thomas
Cellarer Sir  John of South Towne, John Siscell, III
Cellarer Sir  Trent of Edmore, Trent Moreland
Cellarer Sir Steven of Dexheim, Steve Eberharter
Cellarer Sir Charles of Glencoe, Charles
Cellarer Sir Keith of Blue Mound, Keith
Sentry Sir Michael of Lebanon, Mike Day

​2026 Meeting Dates

Saturday June 20, 2026 (annual)

Saturday December 12, 2026

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​2027 Meeting Dates

Saturday June 19, 2027 (annual)

Saturday December 11, 2027

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Please contact Sir Edward of Litchfield, Secretary, for more information

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Sir Terry of Chattanooga, K.H.
Terry Lewis Plemons
Most Worthy Grand Master
2023-2024
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