One of our players has found 4 different regiments which claim the distinction cited in the question. In a matter of minutes I found 2 more.
The question concerned casualties in a single action as opposed to a single battle or single day's fighting. Still it appears that more than one unit still might qualify.
So to mitigate any confusion (and to save me from intensive statistical nitpicking) I will narrow the scope of the question to:
What regiment suffered the greatest loss of any designated artillery regiment in any single action of the war?
sam
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"It was a very peculiar time." - Franklin D. Cossitt
Ancestors in USA Army: 6th IA Inf, 11th IL Cav, 1st AL Cav; 122nd NY Inf; 6th MI Cav; 35th MA Inf; 100th IL Inf; 1st CO Inf/Cav; 22nd IN Inf
2. Sometimes called a minie ball, (pronounced "min-ee") the bullet was designed for muzzle-loading rifle-muskets. It was invented by two Frenchmen, Henri-Gustave Delvigne and Claude-Étienne Minié (pronounced "min-ee-ay").
Joseph Wheeler Lieutenant General, Confederate States Arlington
Marcus Joseph Wright, Brigadier General Arlington
James McQueen McIntosh, Brigadier General Fort Smith Arkansas National Cemetery
Richard Caswell Gatlin, Brigadier General Fort Smith Arkansas National Cemetery
4.
The Heaviest of the Heavy: First Maine Heavy Artillery at Petersburg, June 18, 1864. The 1st Maine Heavy Artillery “. . . sustained [the] greatest loss of any one Regiment in any one action of the war. . . .” A Compendium of the War of the Rebellion. Frederick H. Dyer.
5. Nathaniel Lyon at Wilson's Creek , Missouri Poor Nathaniel . left of the field of battle , then returned to the Union army afterward, then when they pulled out of Springfield Missouri, he was buried in a garden til his body could be recovered later to be taken home to be buried properly .
1. Stonewall Jackson
2. Henri Gustave Delvigne, Claude-Etienne Minié
3. Joseph Wheeler, Arlington
Marcus Joseph Wright, Arlington
Richard Caswell Gatlin - Fort Smith Nat. Cem. Arkansas
James McQueen McIntosh - " -
James Edwin Slaughter - US Nat. Cem. Mexico City, Mex.
4. First Maine Heavy Artillery
5. Nathaniel Lyon, Battle Wilson's Creek
1. Thomas J. Jackson
2. Captain Charles Claude Etienne Minié and Henri-Gustave Delvigne
3. Fightin’ Joe Wheeler (Arlington); Marcus Joseph Wright (Arlington); James M. McIntosh (Fort Smith); Richard Caswell Gatlin (Fort Smith); James E. Slaughter (Mexico City National Cemetery) Albert Rust not buried in Little Rock NC but in adjoining Oakland…a memorial marker is in Little Rock National Cemetery
4. 1st Maine Heavy Artillery
5. Nathaniel Lyon; Wilson’s Creek
3. Marcus Joseph Wright, Arlington
Joseph Wheeler, Arlington
Seth Barton, Dabney Maury, Abner Perrin, Daniel Ruggles, Henry Sibley and Carter Stevenson, all Shiloh national cemetery INCORRECT - No Reb generals at Shiloh
3. . Joseph Wheeler and Marcus Joseph Wright are buried at Arlington in Virginia, Richard Caswell Gatlin and James McQueen McIntosh are buried at Fort Smith National Cemetery in Arkansas, and James Edwin Slaughter is buried at the US National Cemetery in Mexico City, Mexico.
I was originally looking for these 5. But … on further review I discovered that …
Alpheus Baker is buried at National (Military) portion at Cave Hill Cemetery in Louisville, Kentucky. William Lowther Jackson and William Preston are buried in other sections at Cave Hill. This Cave Hill thing is sort of murky (see sources), but there is a 4 acre portion of Cave Hill designated as a National Cemetery, within the confines of the larger Cave Hill Cemetery, mostly a private cemetery. So Baker is accepted, but Jackson and Preston are not.