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Maricopa Slim

1883 – 1914

American gunslinger

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About Maricopa Slim

Lived 1883 – 1914 (aged 30–31).

Maricopa Slim (October 13, 1883 – November 5, 1914) was a gunslinger and railroad bull of the American Old West. His real name was John Powers and he worked in the Gila River Valley of Arizona, United States in the early 20th century, originally as a Southern Pacific railroad detective and later as a deputy sheriff.

Biography

Maricopa Slim was born John C. Powers in Texas on October 3, 1883. Maricopa Slim seems to have spent much or most of his time rousting hobos who were trying to ride the rails cross-country for free. Captured vagrants were kept in a jail made of railroad ties until they could be transported to the county jail in Florence, Arizona. Killed one Mexican and wounded two in a gunfight at Sacate, Arizona; The exact circumstances of Maricopa Slim's death have been obscure since 1914.

Al G. Barnes Circus was at the Yuma station on November 5 (1914 route book, Milner Library, ISU) When Tom and John Powers and another man Tom J. Sisson were accused in 1918 of "killing three Arizona peace officers in the Aravaipa canyon north of Tucson,"

In 1961 a retired Southern Pacific railroad bull told an Idaho columnist that Maricopa Slim was "the most abusive, just unnecessarily darn mean man you could think of" and he was killed by someone he had bullied.

Maricopa Slim, the Gila Monster and Yermo Red are mentioned in a 2018 Beau L'Amour novel.

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Important facts

Born
1883
Birth century
Died
1914

People in Maricopa Slim's life

Named in this biography and alive at the same time

Contemporaries

People whose lives overlapped Maricopa Slim's

Frequently asked questions

Who was Maricopa Slim?

American gunslinger

When was Maricopa Slim born?

Maricopa Slim was born in 1883.

When did Maricopa Slim die?

Maricopa Slim died in 1914.

Sources & further reading

· Wikipedia: Maricopa Slim

· Wikidata: Q116172414

· DBpedia: Maricopa Slim

Cite this page

APA: Biography.guide. (2026). Maricopa Slim. https://biography.guide/maricopa-slim/

MLA: "Maricopa Slim." Biography.guide, https://biography.guide/maricopa-slim/.

Chicago: "Maricopa Slim." Biography.guide. https://biography.guide/maricopa-slim/.

Data last updated: 2026-09-20 · Spot an error? Report a correction.

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