Reporting from Illinois Public Radio's Luke Runyon used in this report.
A plan to prohibit public disclosure of licensed gun owners is headed to the Governor, who has indicated he supports it.
The 42 to 1 Senate vote Friday would overturn a ruling earlier this year by Attorney General Lisa Madigan's office that the names are public under the Freedom of Information Act.
Madigan responded after the Illinois State Police refused to release the names to reporters. Roughly one million people are registered to own firearms in Illinois.