(750 ILCS 80/10)
Equal access to marriage.
(a) All laws of this State applicable to marriage, whether they derive
from statute, administrative or court rule, policy, common law,
or any other source of civil or criminal law, shall apply equally to marriages of same-sex and different-sex couples and their children.
(b) Parties to a marriage and their children, regardless of
whether the marriage consists of a same-sex or different-sex couple,
shall have all the same benefits, protections, and responsibilities
under law, whether they derive from statute, administrative or court
rule, policy, common law, or any other source of civil or
(c) Parties to a marriage shall be included
in any definition or use of terms such as "spouse", "family",
"immediate family", "dependent", "next of kin", "wife", "husband",
"bride", "groom", "wedlock", and other terms that refer to or
denote the spousal relationship, as those terms are used throughout
the law, regardless of whether the parties to a marriage are of the
same sex or different sexes.
(d) To the extent the law of this State adopts, refers
to, or relies upon provisions of federal law as applicable to this
State, parties to a marriage of the same sex and their children
shall be treated under the law of this State as if federal law
recognizes the marriages of same-sex couples in the same manner as
the law of this State.
(Source: P.A. 98-597, eff. 6-1-14