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Private First Class · U.S. Marine Corps

Leonard Foster Mason

Private First Class Leonard Foster Mason, Marine Corps, received the Medal of Honor posthumously for actions on July 22, 1944 in Asan-Adelup Beachhead, Guam, Marianas Islands during World War II.

Private First Class Leonard Foster Mason, a Marine in the U.S. Marine Corps, was awarded the Medal of Honor posthumously for gallantry on July 22, 1944 in Asan-Adelup Beachhead, Guam, Marianas Islands during World War II. At the time he was serving with 2d Battalion, 3d Marines, 3d Marine Division. Mason was 24 years old.

One other service member also received the Medal of Honor for actions on the same day.

Mason was born on February 2, 1920 in Middlesboro, Bell County, Kentucky. His Medal of Honor is credited to Ohio. Mason died on July 23, 1944 in Asan-Adelup Beachhead, Guam, at the age of 24. He is buried at National Memorial Cemetery of the Pacific in Honolulu, Hawaii.

Mason is one of 474 Medal of Honor recipients from World War II and one of 256 credited to Ohio.

Official Medal of Honor citation

For conspicuous gallantry and intrepidity at the risk of his life above and beyond the call of duty as an automatic rifleman serving with the 2d Battalion, 3d Marines, 3d Marine Division, in action against enemy Japanese forces on the Asan-Adelup Beachhead, Guam, Marianas Islands on 22 July 1944. Suddenly taken under fire by two enemy machine guns not more than 15 yards away while clearing out hostile positions holding up the advance of his platoon through a narrow gully, Pfc. Mason, alone and entirely on his own initiative, climbed out of the gully and moved parallel to it toward the rear of the enemy position. Although fired upon immediately by hostile riflemen from a higher position and wounded repeatedly in the arm and shoulder, Pfc. Mason grimly pressed forward and had just reached his objective when hit again by a burst of enemy machine-gun fire, causing a critical wound to which he later succumbed. With valiant disregard for his own peril, he persevered, clearing out the hostile position, killing five Japanese, wounding another, and then rejoining his platoon to report the results of his action before consenting to be evacuated. His exceptionally heroic act in the face of almost certain death enabled his platoon to accomplish its mission and reflects the highest credit upon Pfc. Mason and the U.S. Naval Service. He gallantly gave his life for his country.

Citation text: U.S. Government, public domain.

Other decorations and honors

Besides the Medal of Honor, Leonard Foster Mason received:

Source: Wikidata. Gold chips link to our guide to that decoration.

Battles and campaigns

Also served in: World War II.

Places

  • Born: Middlesboro — map
  • Died: Guam — map
  • Buried: Honolulu Memorial — map

Veteran resources, cemeteries and meeting places in Ohio →

Timeline

  1. February 2, 1920
    Born in Middlesboro, Bell County, Kentucky
  2. July 22, 1944
    Act of valor — Asan-Adelup Beachhead, Guam, Marianas Islands
    Age 24. 2d Battalion, 3d Marines, 3d Marine Division
  3. July 23, 1944
    Died in Asan-Adelup Beachhead, Guam
    Age 24.
  4. Resting place
    National Memorial Cemetery of the Pacific
    Honolulu, Hawaii

Biography

Leonard Foster Mason (February 22, 1920 – July 22, 1944) served in the United States Marine Corps during World War II. He was posthumously awarded the Medal of Honor for heroism during the Battle of Guam where he was mortally wounded.

From the Wikipedia article “Leonard F. Mason”, licensed under CC BY-SA 4.0. Read the full article →

Named in his honor

Further reading

Also honored for actions on July 22, 1944

More World War II recipients from Ohio

Sources. Service and award details compiled from the recipient record of the Congressional Medal of Honor Society, Wikidata and Wikipedia. The narrative summary is generated from these records. Spotted an error? Send a correction.