About the youth and education of Eugene Lammot nothing is handed down. Later he worked in the insurance industry. Politically, he was a member of the Democratic Party. Between 1955 and 1957 he sat in the Senate from Delaware. After that, he was from 1957 to 1960 mayor of the city of Wilmington. In July 1960 he was a delegate to the Democratic National Convention in Los Angeles in part, was nominated on the John F. Kennedy as the presidential candidate.
In the same year Lammot was elected to the side of Elbert N. Carvel for Lieutenant Governor of Delaware. This post he held 1961-1965. Yet he was Deputy Governor and Chairman of the State Senate. He died in March 1987.