William McCreery (May 17, 1786 – September 27, 1841) was a Jacksonian member of the U.S. House of Representatives from Pennsylvania.
William McCreery was born in Omagh, County Tyrone, Ireland.
In 1828, McCreery defeated incumbent Joseph Lawrence, in a near-Democratic sweep of Pennsylvania's congressional delegation.
He was the acting president of the Pennsylvania Board of Canal Appraisers at the time of his death in Fairfield in 1841.
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