[1] It is named for William L. Wilson, Representative from West Virginia, chair of the U.S. House Ways and Means Committee, and Senator Arthur P. Gorman of Maryland, both Democrats.
By coincidence, $4,000 ($88,100 in 2010 dollars) would be the exemption for married couples when the Revenue Act of (October) 1913 was signed into law by President Woodrow Wilson, as a result of the ratification of the 16th Amendment to the U.S. Constitution in February 1913.
President Grover Cleveland, who had campaigned on lowering the tariff and supported Wilson's version of the bill, was devastated that his program had been ruined.
The New York Times reported that many Democrats in the East "prefer to take the income tax, odious as it is, and unpopular as it is bound to be with their constituents" to defeating the Wilson tariff bill.
"[3] The income tax provision was struck down in 1895 by the U.S. Supreme Court case Pollock v. Farmers' Loan & Trust Co., 157 U.S. 429 (1895).