Five men who began their military career in the 3rd Michigan ended the war as brevet generals:
- Brigadier General Stephen Champlin began the war as Major
- Brigadier General Moses Houghton began as Captain of Company D
- Brigadier General Israel Smith began as a lieutenant in Company F
- Brigadier General Ambrose Stevens began as Lieutenant Colonel
- Major General Byron R. Pierce began as Captain of Company K (pictured above)
Of these five, only Champlin did not survive the war.
Of the original Field & Staff:
- Colonel Dan McConnell remained a Colonel
- Lieutenant Colonel Ambrose Stevens became a Brevet Brigadier General
- Major Stephen Champlin became a Brevet Brigadier General
- Quartermaster Robert Collins ended the war as a Captain of Subsistence
- Dr. D. W. Bliss ended the war as a Colonel
- Dr. Zenas Bliss finished the war as Lieutenant Colonel
- Drum Major Valentine Rebhun was discharged for disability and reentered the 19th Michigan infantry
Of the Musicians who served in the Old 3rd Michigan:
- 2 would become Captains
- 2 became First Lieutenants
- 1 became a Second Lieutenant
Of the 10 original Captains:
- Samuel Judd of Company A died a Captain
- Adolph Birkenstock of Company C ended the war a Sergeant
- Byron Pierce of Company K became a Brevet Major General
- Moses Houghton of Company D became a Brevet Brigadier General
- the rest remained captains
Of the 10 original First Lieutenants:
- 5 became Captains
- 3 remained First Lieutenants
- Charles Spang of Company H ended the war a Private
- Fred Worden of Company F became a Lieutenant Colonel
Of the 9 original Second Lieutenants:
- Israel Smith of Company E became a Brevet Brigadier General
- William Ryan of Company H became a Major 2 became Captains
- 2 became First Lieutenants
- 2 remained Second Lieutenants
- George Phillips of Company D ended the war a Sergeant
Of 48 Sergeants:
- Dan Root of Company K ended the war a Lieutenant Colonel
- Homer Thayer of Company G became a Major
- George Remington of Company F became an Adjutant
- 13 became Captains
- 5 became First Lieutenants
- 6 became Second Lieutenants
- 10 remained Sergeants
- 1 ended the war a corporal
- 9 came out of the war as Privates
Of 78 Corporals:
- Don Lovell of Company A became a Major
- Peter Weber of Company A became a Major
- Milton Leonard of Company F a Captain
- 8 became Lieutenants
- 8 ended the war as Sergeants
- 27 remained corporals
- 17 ended the war as Privates
Four Privates would become Majors: Emery Moon, Dan Kennicutt, George Nairn, and Michael Long
- 8 privates would become Captains
- 11 became First Lieutenants
- 3 became Second Lieutenants
- 1 was a Naval Ensign.
Curiously, not one man who enlisted in the Old 3rd Michigan after June of 1861 became a commissioned officer.
