Atanacio Haro Marin Jr., 27
Marin was born in a small Mexican village. His father came to the U.S. to pick fruit and work construction to support his wife and seven children, according to the Pasadena Star-News. When Marin was 2, they joined their father. In 2007, the Baldwin Park Post Office was renamed in Marin's honor.
Sources: Times research, Defense Department, iCasualties.org