OK I checked and I found a couple people who were in Union militia units. They were also related to the Campbells I mentioned in my earlier post through marriage as my 4th Great grandfather Capt. William Campbell married my 4th Great grandmother Rachel Garrison. They are her cousins. One was named Isaac Newton Atterberry and he was in the 11th Missouri State Militia Regiment (Union). His son was Isaac Taylor Atterberry and he was in the 7th Missouri Cavalry (Union) and the 1st Missouri Cavalry (Union). Issac N. also had a brother Zephaniah Murry Atterberry who was in the 70th Enrolled Missouri Militia (Union) and confusingly he also had a nephew named Zephaniah Murry Atterberry, who was the son of Seamon Atterberry, who was a Musician in the 10th Missouri Infantry (Union). His brother Lewis actually had a bio entry. The following was taken from the 1910 History of Macon County, Missouri
Mr. Atterbury was born on the farm where the town of Atlanta, Macon county, Mo., is now situated, on the 12th of May, 1845. His father, Seaman Atterbury, a native of Kentucky, moved with his parents when a child of eight years, to Illinois, and passed his early life near Galesburg. At the age of 18 the family removed to Monroe county, Mo., where he formed the acquaintance of a charming young lady by the name of Nancy G. Weatherford, of Kentucky, to whom he was married. After living there several years he moved to Iowa, settling in Davis county, near the present site of the town of Bloomfield, where he lived six years.
Not satisfied, he returned with his family to Missouri in 1845, and bought land and improved a farm in Macon county, and there he still lives. He lost his first wife in 1852, and subsequently married Miss Mary C. Dabney, also from Kentucky. By the first marriage there were seven children: two girls and five boys; of these L. J. was the fifth child, all now married. There were three boys by his deceased wife, there being 10 children. All are living; the youngest is 25 years old. L. J. grew up in the county on a farm, and was educated partly at the common schools and partly by himself.
When the war began he was but a boy of 16, but enlisted in the service of the stars and stripes in the Twenty-second Missouri infantry, afterwards consolidated with and known as the Tenth Missouri infantry, under the brave Col. Samuel A. Molmes, of St. Louis. He served until 1864, part of the time as musician. He was in many fights the principal of which are Iuka and Corinth, Miss., Yazoo Pass Expedition, Siege of Vicksburg, Raymond, Port Gibson, Jackson, Champion's Hill, Chattanooga, Mission Ridge and Stony Point, Tenn., this being his last general engagement of any consequence. At Corinth he received a slight gunshot wound in the hip, but served his country until his term of service expired, and then was discharged and went home. The war not being over, he remained home two months, and re-enlisted in an independent company for scouting purposes, in which he was quartermaster sergeant.
When the war was over he clerked for his father in a store in Atlanta, but in little more than a year went on a farm. His next step, farming being a lonely life for a bachelor, was to choose a wife, whom he found in the person of Miss Julia A., daughter of Judge M.G. Clem, of Adair county, but formerly from Ohio. After his marriage Mr. Atterbury continued to farm for 14 years, devoting some time, also to the raising and feeding of stock for general markets. In September, 1881, he moved to Atlanta, sold his farm, and engaged in the drug and grocery business. He has since sold out his business and is living at ease. Mr. and Mrs. A. have one child, M. Theron, one, Eddie, having died in infancy. Mr. A. is a member of Atlanta Lodge No. 411, I. O. O. F., and is vice-grand of the order. Mrs. A. belongs to the M. E. Church.
I suspect there are more from this family and need to do more research.