John Joseph O'Brien, Jr.
Marine Corps Regular | Service Number 284652
September 20, 1921
in Dorchester, MA
John Joseph O’Brien
Catherine (Cavanaugh) O’Brien
Details unknown
Details unknown
May 29, 1940
at Boston, MA
(1) February 3, 1943
from MCB Quantico
(2) July 12, 1944
from 3rd Provisional Marine Detachment
(1) December 3, 1943
Hospitalized at Camp Pendleton
(2) October 16, 1945
To R&R Center San Diego
August 27, 1946
Honorably discharged
41 Glendale Avenue, Everett, MA – home of parents, John & Catherine O’Brien
Service & Campaigns
Boot camp at Parris Island; outposted to Navy Yard, Washington DC, on 3 August 1940, for duty through late 1941. Reassigned to Marine Detachment, American Embassy, London, through 31 October 1942. Returned to United States early 1943 via Naval Operating Base Rosneath, Scotland.
Joined Able Company, First Separate Battalion (Reinforced) at New River, NC, on 3 February 1943.
Transferred to Headquarters Company on 10 May 1943 for duty with battalion intelligence section at Camp Pendleton, CA.
Admitted to US Naval Hospital at Camp Pendleton on 10 November 1943. Dropped from battalion muster rolls on 3 December 1943 for continuing treatment.
Assigned to MP Company, Camp Pendleton, for duty on 14 January 1944.
On 12 July 1944, rejoined Headquarters Company, First Battalion, 24th Marines at Camp Maui from the 3rd Provisional Marine Detachment. Assigned to the intelligence section.
Rear echelon during battles of Saipan and Tinian.
Outfit: HQ/1/24th Marines
Rank: Corporal
MOS: 636 (Intelligence Man)
On 16 October 1945, transferred to R&R Center San Diego for next assignment.
Duty at Marine Barracks, Naval Air Facility, South Weymouth, Massachusetts, through August 1946. Honorably discharged on 27 August 1946.
Individual Decorations
Medal
Good Conduct Medal
Campaign
For service 1940 – 1943 (awd. 28 May 1943)
Citation
John died on February 21, 1976, and is buried in Beechbrook Cemetery, Gloucester, Massachusetts
Gallery
