Private William Duncan, Co. I, 125th Ohio Volunteer Infantry
- March 19: William was born to parents John and Nancy Duncan in Holmes County, OH.
***attended Millersburg Academy***
- June 14: William left Millersburg Academy and enlisted in the U.S. Army. He initially served in the 87th O.V.I.
- Brothers James and John also served.
- September 15: Captured at the Battle of Harpers Ferry.
- Paroled and exchanged.
- August 16: William re-enlisted and was mustered into the 125th OH Infantry.
- November 25: William “was one of the men with Captain Parks when the guns were captured from the enemy’s rear guard at Mission Ridge.”
- November 30: Fought at the Battle of Franklin. His regiment was engaged in fierce combat within the Carter family yard.
- September 25: William Duncan was discharged from the U.S. Army.
- William and his brother, John, built the Holmes County Fairgrounds and Race Track.
- William and John built large portions of railroad in Knox County, OH for the C. A. and C. Railroad.
- June 2: The U.S. Federal Census enumerated in Killbuck, Holmes County, OH showed William, a grain merchant, and Eliza living with their son, John H., 2 yrs old.
- ***William and John owned both a Grist and Saw Mill in Killbuck, OH. They produced flour for White Lily Flour.***
- June 1: The U.S. Federal Census enumerated in Killbuck, Holmes County, OH showed William, flour mill proprietor, and Sarah E., living with their children: Roland C., 17, Ada G., 15, Frederick W., 12. Also living with the family was a young servant by the name of Dora Markley, 18 yrs.
- October 25: Coshocton Daily Age, Coshocton, OH.
- April 20: The U.S. Federal Census enumerated in Killbuck, Holmes County, OH showed William, a flour mill owner, and Lydia (Elizabeth) living with their children: Carl, 27, Ada, 25, Fred, 22.
- January 5: The U.S. Federal Census enumerated in Killbuck, Holmes County, OH showed William, a flour mill owner, and Sarah E., living with their adult daughter, Ada.
- April 13: William Duncan died in Holmes County, OH.
- April 14: The Tribune, Coshocton, OH.
- April 15: News-Journal, Mansfield, OH.
***William was a republican. He supported the arts and helped build the local theater in Killbuck.***