Gray was allowed to marry Ewert before marriage equality's then effective date of June 1 after an order from the U.S. District Court in Chicago allowed it, given Gray's terminal illness.
Marriage equality has since been allowed statewide after Attorney General Lisa Madigan published guidance in early March.
The AP reports:
[Family friend Jim] Bennett says Gray advocated for same-sex marriage long before many gay rights activists saw it as a possibility, and she had a knack for working with people across the political spectrum.
Our thoughts go out to Gray's wife, family, and friends.