He received his bachelor's degree from the University of North Carolina in 1943 and his master's degree in education from Plymouth State University.
Gilbreth also went to the University of Massachusetts for graduate studies.
Gilbreth served as the Franklin Telegram newspaper part-time reporter.
In 1985, Gilbreth opposed a bill in the legislature that human life begins at conception.
Gilbreth did not agree with women who wanted abortions.