García became an American citizen on June 25, 1947 and earned a high school diploma in 1951.
On May 18, 1952, he married Alicia Reyes with whom he had three children.
For twenty-five years he worked as a counselor in the Veterans' Administration.

On the evening of November 21, 1963, Marcario García greeted President John F. Kennedy at the door of the Rice Ballroom in Houston Texas.
The ballroom was filled with a diverse crowd of attendees that included Hispanic World War II veterans, Civil Rights advocates and future political activists.
The president spoke of U.S. and Latin American Foreign Policy and the importance of recognition and acknowledgement of Hispanic organizations like the League of United Latin American Citizens (LULAC).
Speaking in fluent Spanish, Mrs. Kennedy offered words of inspiration and encouragement.
The day after this meeting Kennedy was assassinated.

García died on December 24, 1972, from injuries which he received in a car accident.
He was buried with full military honors in the Houston National Cemetery in Houston, Texas.
The local government of Houston honored his memory by naming a middle school after him as well as renaming part of 69th Street in Houston "S/SGT Marcario García Street".
In 1983 Vice President George Bush dedicated Houston's new Macario García Army Reserve Center, and in 1994 Macario Garcia Middle School of the Fort Bend Independent School District, in unincorporated Fort Bend County, Texas, near Sugar Land, was named in García's honor.
García became an American citizen on June 25, 1947 and earned a high school diploma in 1951. On May 18, 1952, he married Alicia Reyes with whom he had three children. For twenty-five years he worked as a counselor in the Veterans' Administration.
On the evening of November 21, 1963, Marcario García greeted President John F. Kennedy at the door of the Rice Ballroom in Houston Texas. The ballroom was filled with a diverse crowd of attendees that included Hispanic World War II veterans, Civil Rights advocates and future political activists. The president spoke of U.S. and Latin American Foreign Policy and the importance of recognition and acknowledgement of Hispanic organizations like the League of United Latin American Citizens (LULAC). Speaking in fluent Spanish, Mrs. Kennedy offered words of inspiration and encouragement. The day after this meeting Kennedy was assassinated.
García died on December 24, 1972, from injuries which he received in a car accident. He was buried with full military honors in the Houston National Cemetery in Houston, Texas. The local government of Houston honored his memory by naming a middle school after him as well as renaming part of 69th Street in Houston "S/SGT Marcario García Street". In 1983 Vice President George Bush dedicated Houston's new Macario García Army Reserve Center, and in 1994 Macario Garcia Middle School of the Fort Bend Independent School District, in unincorporated Fort Bend County, Texas, near Sugar Land, was named in García's honor.
Marcario García