About Gilberto José Marxuach
Lived 1910 – 1957 (aged 46). Gilberto José Marxuach was an American military personnel and lawyer.
Colonel Gilberto José Marxuach a.k.a. "The Father of the San Juan Civil Defense" (November 19, 1910 – April 18, 1957), was a former officer in the United States Army who in 1951 founded and became the first director of the Civil Defense in the City of San Juan, Puerto Rico.
Early years Marxuach (birth name: Gilberto José Marxuach Acosta ) was born in San Juan, Puerto Rico on November 19, 1910, to Colonel Teófilo Marxuach Plumey and Carolina Acosta Acosta. Marxuach was one of three siblings born to the couple; his brothers were Teófilo José and Raúl José. His family had historically played a prominent role in the island's commercial, political and military affairs. His grandfather, José María Marxuach, was twice the Mayor of the City of San Juan and the only Puerto Rican to serve in said position when Puerto Rico was under Spanish rule and after the island was ceded to the United States. Marxuach's father belonged to the Porto Rico Regiment and had the distinction of ordering the first shot fired in World War I on behalf of the United States on March 21, 1915, and his uncle Acisclo Marxuach y Plumey (b. 1895) was an honorary consul of Spain in Puerto Rico. Marxuach's mother was the granddaughter of José Julián Acosta, a distinguished journalist and a fervent advocate of the abolition of slavery in Puerto Rico.
Marxuach was greatly influenced by his father and grew up near Fort San Cristóbal, where his father was stationed. The experience instilled in him a lifetime love for the military, and served as an influential factor in his decision to seek a career in the military. Marxuach graduated from the Central High School in Santurce in 1928. On June 17, 1928, he joined the Puerto Rico National Guard and received his basic training at Camp Las Casas in Santurce. He was given an appointment to attend the United States Military Academy at West Point, New York, by Theodore Roosevelt Jr., the United States appointed governor of Puerto Rico. However, an automobile accident left him bedridden for over a year. Upon recovery, he was unable to attend the academy because he was over the age limit.
National Guardsman and educator Marxuach served in the National Guard until 1931, year in which he enrolled in the University of Puerto Rico. He earned his Bachelor of Science degree in 1936, the same year in which he rejoined the National Guard. In 1937, he joined the Science Department faculty of the University of Puerto Rico as an assistant science professor and in 1938 was promoted to the position of science professor. During this time period, Marxuach married Margarita Ginorio Dominguez (December 23, 1938) and he earned his master's degree in Botany from the University of Michigan. That same month, Marxuach joined the United States Army and on October 15, 1940, was commissioned a second lieutenant. He was assigned to the 295 Regiment at Camp Tortuguero in Puerto Rico and soon after was reassigned to 296th Infantry Regiment. By then Marxuach had been promoted to the rank of lieutenant colonel and was in charge of the 1114th Artillery Co. and the 1558th Engineers Co.
During his military career, Marxuach attended the Infantry School at Fort Benning in Georgia for 3 months where he learned the mechanical functioning and tactical employment of all infantry weapons. For another three months he attended the Military Intelligence Center at Camp Ritchie, situated in the mountains near Pennsylvania. Here he studied the organization and composition of foreign armies, advanced map reading, interrogation of the enemy during war, and evaluation of information.
Founder of the San Juan Civil Defense Marxuach enrolled in the law school of the University of Puerto Rico upon his retirement from the Army. He worked in the institution's Carnegie Library and used the extra income to help pay for his tuition. On June 27, 1949, Marxuach earned his law degree and set up a private law practice in San Juan. Marxuach was given the task of organizing the San Juan Municipal Civil Defense and on March 8, 1952, became its first director. The Civil Defense was established during the Cold War to prepare civilians for a nuclear military attack. He was survived by his wife, Margarita Ginorio Dominguez (1910–1994) and his three children, Gilberto, Maria del Socorro and Margarita.
Military decorations and awards Among Colonel Gilberto José Marxuach's many military decorations are the following:
1 American Defense Service Medal American Campaign Medal Asiatic-Pacific Campaign Medal 2 World War II Victory Medal Army of Occupation Medal Army Overseas Service Ribbon with award numeral 10
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Important facts
People in Gilberto José Marxuach's life
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Frequently asked questions
Who was Gilberto José Marxuach?
United States Army officer (1910-1957)
When was Gilberto José Marxuach born?
Gilberto José Marxuach was born on 19 November 1910 in San Juan.
When did Gilberto José Marxuach die?
Gilberto José Marxuach died on 18 April 1957 in San Juan, Santurce.
What was Gilberto José Marxuach's occupation?
Gilberto José Marxuach was a military personnel and lawyer.
What nationality was Gilberto José Marxuach?
Gilberto José Marxuach was American.
Sources & further reading
· Wikipedia: Gilberto José Marxuach
· DBpedia: Gilberto José Marxuach
Cite this page
APA: Biography.guide. (2026). Gilberto José Marxuach. https://biography.guide/gilberto-jose-marxuach/
MLA: "Gilberto José Marxuach." Biography.guide, https://biography.guide/gilberto-jose-marxuach/.
Chicago: "Gilberto José Marxuach." Biography.guide. https://biography.guide/gilberto-jose-marxuach/.
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