William McCloundy
Confidence trickster
About William McCloundy
Lived 1850 – 2000.
William McCloundy (born 1859 or 1860), also known as I.O.U. O'Brien, was an early 20th-century confidence trickster, from Asbury Park, New Jersey, who served a two-and-a-half-year prison term in Sing Sing for "selling" the Brooklyn Bridge to a tourist in 1901.
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Important facts
Contemporaries
People whose lives overlapped William McCloundy's
Frequently asked questions
Who was William McCloundy?
confidence trickster
When was William McCloundy born?
William McCloundy was born in 1850.
When did William McCloundy die?
William McCloundy died in 2000.
Sources & further reading
· Wikipedia: William McCloundy
Cite this page
APA: Biography.guide. (2026). William McCloundy. https://biography.guide/william-mccloundy/
MLA: "William McCloundy." Biography.guide, https://biography.guide/william-mccloundy/.
Chicago: "William McCloundy." Biography.guide. https://biography.guide/william-mccloundy/.
Data last updated: 2026-09-20 · Spot an error? Report a correction.
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