Albert Carnahan was born on January 9, 1897, on a farm near
Ellsinore, Missouri, the youngest of 10 children. He was named after the Confederate General
Albert Sidney Johnston. He attended Crommertown School, a one-room schoolhouse in
Carter County. In 1914, at the age of 17, Carnahan began a career as an educator. He taught at Crommertown, Hogan Hollow and Ellsinore, Missouri. For a year during
World War I, he served in an aviation unit of the
Navy at a station in Ireland. Upon returning home, he completed his high school education at the College High School in
Cape Girardeau, Missouri. He earned a bachelor's degree in education in 1926 from the Missouri State Teachers College in Cape Girardeau, now called
Southeast Missouri State University. Carnahan taught in southeastern Missouri for several years before enrolling at the
University of Missouri in
Columbia, Missouri, from which earned his master's degree in 1932. For the next several years, Carnahan was a high school administrator serving Carter,
Reynolds, and
Shannon counties, rising to the post of superintendent of schools in Ellsinore. Mr. Carnahan married Kathel Schupp, with whom he raised two sons, Robert E. and Melvin E. ==Political career==