Internment Locations

Maui County Jail, Wailuku, Maui Island


Sand Island Internment Camp, Honolulu, Oahu Island


This internee was among forty-nine men (mostly Issei) who were sent in the fifth transfer group for internment in U.S. Army and Justice Department camps on the Mainland. The internees were sent together from camp to camp, with some paroled to War Relocation Authority camps to reunite with family or transferred for repatriation to Japan.


Angel Island Detention Facility, California

August 1942


Lordsburg Internment Camp, New Mexico


Santa Fe Internment Camp, New Mexico

June 1943 - October 1945


Returned to Hawaii: November 1945

Arrived in Honolulu with 450 other internees aboard the military troopship the Yarmouth.


Two of Shinjiro Yoshimasu's sons served in the U.S. military during World War II. Lincoln Masato Yoshimasu was a staff sergeant with the 442nd Regimental Combat Team. Edward Masami Yoshimasu was a member of the 100th Infantry Battalion. All told, Edward Yoshimasu would spent nearly 40 years in military service, rising to become brigadier general with the Hawaii Army National Guard by the time of his retirement.