Biography.guide
Home › People › Military personnel › John Mapes Adams
Portrait of John Mapes Adams

John Mapes Adams

1871 – 1921

United States Marine Corps Medal of Honor recipient

Don't just read it — keep itBiographies to ownE-book · Audio · Video From $7 →

About John Mapes Adams

Lived 1871 – 1921 (aged 49). John Mapes Adams was an American military personnel.

John Mapes Adams (October 11, 1871 – January 6, 1921) was an American Marine who received the Medal of Honor for valor during the Boxer Rebellion. His birth name was George Lawrence Day, but he served in the Marine Corps under the alias of John Mapes Adams.

Biography

John Mapes Adams was born October 11, 1871, in Haverhill, Massachusetts. He attended Phillips Exeter Academy.

On July 13, 1900, while a sergeant in the United States Marine Corps he "distinguished himself by meritorious conduct" in battle at Tianjin, China (then Tientsin). His Medal of Honor was issued on July 19, the next year. He re-enlisted in Panama on October 11, 1902.

As of May 20, 1903 he had been promoted to the rank of gunnery sergeant and was hospitalized in Washington, D.C.

Adams was buried at the Cypress Hills National Cemetery in Brooklyn, New York.

Medal of Honor citation Adams Medal of Honor citation:

Rank and organization: Sergeant, U.S. Marine Corps. Born: October 11, 1871, Haverhill, Mass. Accredited to: Massachusetts. G.O. No.: 55, July 19, 1901.

Citation:

In the presence of the enemy during the battle near Tientsin, China, 13 July 1900, Adams distinguished himself by meritorious conduct.

Biography shop

Don’t just read it —
keep it.

Full-length biographies made to live with: read them, listen on the way to work, watch them tonight.

  • E-book
  • Audio
  • Video
Browse the shop — from $7

Instant download · yours to keep · every purchase keeps this site free

Important facts

Birth century
Occupation
Nationality
Education
Phillips Exeter Academy
Awards
Medal of Honor

People in John Mapes Adams's life

Named in this biography and alive at the same time

Contemporaries

People whose lives overlapped John Mapes Adams's

Frequently asked questions

Who was John Mapes Adams?

United States Marine Corps Medal of Honor recipient

When was John Mapes Adams born?

John Mapes Adams was born on 11 October 1871 in Haverhill.

When did John Mapes Adams die?

John Mapes Adams died on 6 January 1921.

What was John Mapes Adams's occupation?

John Mapes Adams was a military personnel.

What nationality was John Mapes Adams?

John Mapes Adams was American.

Sources & further reading

· Wikipedia: John Mapes Adams

· Wikidata: Q6246679

· DBpedia: John Mapes Adams

Cite this page

APA: Biography.guide. (2026). John Mapes Adams. https://biography.guide/john-mapes-adams/

MLA: "John Mapes Adams." Biography.guide, https://biography.guide/john-mapes-adams/.

Chicago: "John Mapes Adams." Biography.guide. https://biography.guide/john-mapes-adams/.

Data last updated: 2026-09-20 · Spot an error? Report a correction.

Portrait: Wikimedia Commons · author & licence

Page generated 2026-09-27 04:57 UTC