Did you know that the State of Illinois is a party to your marriage?Yes, it's true that there are three parties to a marriage in Illinois. The two partners getting married and the State.Marriage is a civil contract with three interested parties: the husband, the wife, and the State. See Jambrone v. David, 16 Ill. 2d 32, 35, 156 N.E.2d 569, 571 (1959); Hewitt v. Hewitt 77 Ill. 2d 49, 63, 394 N.E.2d 1204, 1210 (1979). In order to legally marry in Illinois, the husband and wife must fulfill the requirements and formalities set out in the Dissolution Act.