Here are all of the O states in the U.S. and how they got their O names.

Ohio

The name Ohio comes from the Iroquoian language.

The state of Ohio is named after the river.

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The Chief was Allen Wright, a Choctaw chief during the 1860s.

Though, it wasnt adopted until 1890.

(Before that, the territory was simply referred to as Indian Territory.)

Seventeen years later, when Oklahoma became a state, they kept the name.

Oklahoma Name Meaning

Oklahoma derives from two Choctaw words: okla and humma.

Okla means people and humma means red.

Combined, Oklahoma translates literally as red people.

Rogers referred to the territory as Ouragon in his proposal.

Another theory posits that Oregon originates from the Spanish word orejon.

The term referred to a river, which might have been the Columbia River.

Despite these various theories, the true etymology of Oregon is unclear.

If Oregon came from the Spanish orejon, it means big ear.

If Oregon came from the term Ouricon found on the French map, its origin and meaning are unclear.