Henry was the son of Henry Achorn of Waldoboro, Lincoln County, Maine and Harriet Amanda Labe Achorn of Waldoboro, Lincoln County, Maine.

Henry married Eliza Jane Gerrish in Walpole, Norfolk County, Massachusetts.

Civil War Veteran - Enlisted on September 12, 1861, age 26, and mustered on October 18, 1862, into Company C, 26th Massachusetts Infantry (Union). Enlistment Rank: Private.

The 26th Massachusetts was organized at Camp Cameron in Cambridge, Massachusetts and mustered in for a three-year enlistment. Moved to Boston November 19. Sailed on steamer Constitution to Ship Island, Miss., November 21, arriving there December 3. Duty at Ship Island until April 15, 1862. Occupation of Ship Island, Miss., December 3, 1861, to April 15, 1862. Moved to New Orleans, La., and duty there until June 20, 1863.

Battles, Skirmishes, and Engagements: Battle of LaFourche Crossing; Second Bayou Teche Campaign; Moved to New Orleans February 24–25, 1864, and duty there until March 22; First Battle of Deep Bottom; Second Battle of Deep Bottom; Sheridan's Shenandoah Valley Campaign: Battles of Opequon, Winchester, Fisher's Hill and Cedar Creek.

Mustered out on November 7, 1864, and honorably discharged on November 11, 1864.

Invalid Pension filed on July 2, 1887 (Application No. 1,194,381 and Certificate No. 952,374).

Source: Massachusetts Soldiers, Sailors and Marines in the Civil War; U.S., Civil War Soldier Records and Profiles, 1861-1865; A History of Massachusetts in the Civil War; National Park Service, The Civil War Soldiers and Sailors System; U.S., Civil War Pension Index: General Index to Pension Files, 1861-1934; Massachusetts GAR: Journal of the Annual Encampment; GAR Dept of Massachusetts 1866-1947.

Note: Donald Gleason has a copy of his discharge certificate. Donald Gleason, 112 Overlook Dr., Ponte Vedra Beach, FL 32082.