William Eckart Lehman (August 21, 1821 – July 19, 1895) was a Democratic member of the U.S. House of Representatives from Pennsylvania.
He was appointed post office examiner for Pennsylvania and New York by President James K. Polk.
During the American Civil War, Lehman was the United States provost marshal of the first district of Pennsylvania with the rank of captain from April 25, 1863, to June 15, 1865.
Having an ample income, he did not engage in any business or professional activities and died in Atlantic City, New Jersey, in 1895.
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