I know it's not 100%, but it's a step.
"If the measure passes the Senate and is signed into law by Quinn, who has pledged to do so, Illinois would become the sixth state offering gay couples the right to enter into civil unions or domestic partnerships." Chicago Sun Times
"Civil unions for same-sex couples would be allowed in Illinois under historic legislation the state Senate swiftly sent today to Gov. Pat Quinn, who is expected to sign the measure...The Senate voted 32-24 after the House, viewed as the toughest hurdle, passed the measure on Tuesday." Tribune
"Less than 24 hours after it was passed by the Illinois House of Representatives, the state Senate voted to approve a measure that would allow gay couples to enter into civil unions." Huffington Post
Pat Quinn just needs to sign it!
And he would be STUPID AS SHIT not to, because he has publicly stated that he would.
"After a heated, hour-long debate, the legislation will now head to Governor Pat Quinn’s desk. He has said he’ll sign the bill. He got a standing ovation when he entered the Illinois Senate Wednesday during debate and on Tuesday in the Illinois House." Fox Chicago