Joseph Cosey
American forger
About Joseph Cosey
Lived 1887 – 1950 (aged 62–63). Joseph Cosey was an American forgery.
Joseph Cosey (February 18, 1887 – 1950) is the favorite alias of notorious forger Martin Coneely. He was very skilled at mimicking the handwriting of historical American figures.
Early life Joseph Cosey was born Martin Coneely on February 18, 1887, in Syracuse, New York. He was the son of Irish Catholic immigrant Robert Coneely, a "cabinetmaker by trade", and Sarah Bease of Virginia. When he tried to sell it to a New York City book dealer, however, the dealer told him it was a fake. Over the years, they have become valuable collector's items in their own right. among them the Alfred Whital Stern Collection of Lincolniana in the Library of Congress. The noted collector A. S. W. Rosenbach was proud to have a Cosey forgery of two verses from Edgar Allan Poe's poem "The Raven".
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Important facts
People in Joseph Cosey's life
Named in this biography and alive at the same time
Contemporaries
People whose lives overlapped Joseph Cosey's
Frequently asked questions
Who was Joseph Cosey?
American forger
When was Joseph Cosey born?
Joseph Cosey was born on 18 February 1887 in Syracuse.
When did Joseph Cosey die?
Joseph Cosey died in 1950.
What was Joseph Cosey's occupation?
Joseph Cosey was a forgery.
What nationality was Joseph Cosey?
Joseph Cosey was American.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Joseph Cosey. https://biography.guide/joseph-cosey/
MLA: "Joseph Cosey." Biography.guide, https://biography.guide/joseph-cosey/.
Chicago: "Joseph Cosey." Biography.guide. https://biography.guide/joseph-cosey/.
Data last updated: 2026-09-22 · Spot an error? Report a correction.
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