Why is Coffee Called a Cup of Joe

Many coffee drinkers refer to the caffeinated beverage as “a cup of joe.” How did this name become synonymous with everyone’s favorite morning pick-me-up?

The following looks at several theories as to how coffee became known as “joe.”

Cup of Joe Origin

The term “cup of joe” first appeared in the 1930s and has been around ever since. The slang term has even experienced a bit of a resurgence since the 1980s. What makes things a little more puzzling is that, unlike “java,” the term does not refer to a specific coffee growing region.

Why Is Coffee Called a Cup of Joe?

The decades-old nickname for coffee has been attributed to various sources, including:

  • the founder of a popular New York coffee company,
  • a former secretary of the Navy,
  • a linguistic creation,
  • the ordinary man, and
  • a simple misunderstanding.

a Cup of Joe

Theory #1: The Martinson Coffee Connection

Martinson Coffee was founded in New York by Joe Martinson in 1898. Martinson was known for his larger-than-life personality, which may have led the locals to refer to his coffee as “Joe’s coffee” or “a cup of Joe.” The popularity of the coffee spread beyond New York, which may explain why the term became so widely used by the 1930s. Martinson coffee became a part of current pop culture after it was referenced in the hit TV series Mad Men.

Theory #2: A Critical Reference to the Secretary of the Navy

In 1914, President Woodrow Wilson appointed Josephus “Joe” Daniels as secretary of the Navy. Daniels believed in a strict code of morality and implemented several measures designed to keep sailors on the straight and narrow. One of his decrees was to ban the consumption of alcohol aboard ship. This meant that the strongest drink available for most sailors was a cup of coffee.

The sailors may have started referring to coffee as “a cup of Joe” as a way to show their displeasure with Daniels. One flaw with the theory is that the term was not widely used until well after the men returned home from World War I; however, the term may simply have reappeared during the 1930s during the time of Prohibition.

Theory #3: A Linguistic Mash-up

Joe may be a shortened version of a slang term and may not refer to any particular person. In the 1930s, jamoke was a common slang term for coffee. It most likely started out as a mash-up of “java” and “mocha.” As with many slang words, jamoke eventually got shortened even further to “joe.”

Theory #4: An Ode to the Common Man

Joe is often used to refer to the ordinary man. For example, you might call someone an “average Joe.” The term may have been adopted as a nickname for coffee since it was the favorite beverage of the “average Joe” working men who frequented the diners that became so popular shortly after World War II.

Theory #5: A Case of Mistaken Identity

During World War I, soldiers were often served instant coffee made by the George Washington Coffee Refining Company. Soldiers would refer the coffee as a “cup of George.” Geo. is a common abbreviation for the name George and may have been misinterpreted as Joe.

A Cup of Joe The Story Behind the Name

Other Nicknames for Coffee

Everyone seems to have their favorite nickname for coffee. Some other fun slang terms for coffee include

  • java,
  • brew,
  • brain juice,
  • jitter juice,
  • go juice,
  • morning jolt,
  • cupped lightning, and
  • rocket fuel.

Regardless of what you call it, coffee is considered the nectar of the gods by most coffee lovers who do not even start to function until they have had their first morning cup.

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