Navigating a same-sex divorce in Oakbrook Terrace, Illinois involves many of the same legal principles as any other divorce, but it can also present unique challenges. From parental rights and custody arrangements to property division and spousal support, same-sex couples may face additional complexities rooted in the relatively recent legalization of same-sex marriage.

This guide explains what you need to know about same-sex divorce and custody in Illinois, helping you make informed decisions during a difficult time.
Key Takeaways
- Same-sex divorce in Illinois follows the same laws, but unique relationship timelines can affect outcomes.
- Parental rights may require additional legal steps, especially for non-biological parents.
- Spousal support and property division can be influenced by years together before legal marriage.
- Courts focus on the best interests of the child when determining parenting responsibilities.
- Mediation and uncontested divorce can reduce conflict, cost, and time.
Legal Recognition of Same-Sex Marriage in Illinois
Same-sex marriage became legal in Illinois in June 2014, and nationwide in June 2015 following the U.S. Supreme Court’s decision in Obergefell v. Hodges. Since then, same-sex couples have been granted the same legal rights and responsibilities as opposite-sex couples, including the right to divorce.
However, because many same-sex couples were in long-term relationships before marriage was legally recognized, divorce proceedings can involve additional layers of legal interpretation.
Why This Matters in Divorce
Illinois courts rely heavily on the length of a marriage when determining:
- Spousal support (alimony)
- Division of marital property
- Financial obligations between spouses
For same-sex couples, this creates a key issue: What about the years spent together before legal marriage?
In some cases, courts may consider the full duration of the relationship, especially if the couple functioned as a married unit. In others, only the legally recognized marriage period is counted. This distinction can significantly impact financial outcomes.
Same-Sex Divorce in Illinois: Is the Process Different?
Legally, the divorce process for same-sex couples is the same as for opposite-sex couples under the Illinois Marriage and Dissolution of Marriage Act. However, the facts of the relationship often introduce unique challenges.
Common Issues in Same-Sex Divorce
- Parental Rights Disputes
- Pre-Marital Asset Division
- Spousal Support Calculations
- Recognition of Long-Term Relationships
- Civil Unions vs. Marriage Considerations
Because Illinois previously allowed civil unions (since 2011), some couples transitioned from civil unions into marriages, while others did not. This can complicate how courts evaluate the relationship timeline.
Child Custody and Parental Rights in Same-Sex Divorce
One of the most sensitive and complex aspects of any divorce is determining parenting arrangements. For same-sex couples, this area can be especially complicated depending on how parental rights were established.
Illinois Uses “Parental Responsibilities,” Not Custody
Illinois law no longer uses the terms “custody” and “visitation.” Instead, courts allocate:
- Decision-making responsibilities (education, healthcare, religion)
- Parenting time (when the child is with each parent)
All decisions are based on the best interests of the child.
Establishing Legal Parenthood
In same-sex relationships, both partners are not always automatically recognized as legal parents. Legal parentage can arise through:
- Adoption (joint or second-parent adoption)
- Assisted reproductive technology agreements
- Marriage presumptions (in some cases)
Why This Is Critical
If one parent is not legally recognized, they may:
- Have limited or no parental rights
- Need to petition the court for recognition
- Face challenges in custody or parenting time disputes
Courts generally do not favor biological parents over legal parents, but legal status must be established.
Parenting Plans for Same-Sex Couples
All divorcing parents in Illinois must create a parenting plan that outlines:
- Weekly parenting schedules
- Holiday and vacation arrangements
- Decision-making authority
- Communication guidelines
Common Parenting Structures
- Joint Parenting: Both parents share responsibilities and time
- Parallel Parenting: Minimal interaction between parents (useful in high-conflict cases)
Same-sex couples have access to the same parenting arrangements as any other couple—but may need to take additional steps to ensure both parents’ rights are protected.
Resolving Disputes: Mediation vs. Litigation
Disagreements are common in divorce, especially when children are involved. Illinois courts often encourage or require mediation before litigation.
Benefits of Mediation
- Greater control over outcomes
- More customized solutions
- Less emotional and financial strain
- Better foundation for co-parenting
For same-sex couples, mediation can be especially valuable because it allows flexibility in addressing non-traditional relationship histories.
When Litigation May Be Necessary
Court intervention may be required if:
- Mediation fails
- There is abuse or power imbalance
- One party refuses to cooperate
In these cases, having an attorney experienced in same-sex family law is essential.
Spousal Support (Alimony) in Same-Sex Divorce
Spousal support in Illinois is based on several factors, including:
- Length of the marriage
- Income and earning capacity of each spouse
- Contributions to the relationship
- Standard of living during the marriage
Unique Considerations for Same-Sex Couples
Because many same-sex couples were together long before legal marriage:
- Courts may consider cohabitation before marriage
- Evidence of a shared financial life can be important
- Documentation matters (leases, joint accounts, testimonies)
Example Scenario
A couple lived together for 20 years but was legally married for only 8 years.
A court may consider the full 20-year relationship when determining support, but this is not guaranteed.
Strengthening Your Case for Spousal Support
To support a spousal support claim, it can help to show:
- Shared finances prior to marriage
- Joint property or leases
- Contributions to each other’s careers
- Evidence of a long-term committed partnership
Property Division in Same-Sex Divorce
Illinois follows equitable distribution, meaning property is divided fairly, but not necessarily equally.
The Key Challenge
Same-sex couples often accumulated assets before marriage was legal, raising questions such as:
- Is property acquired before 2014 marital or separate?
- Should appreciation in value be shared?
Example
If a couple:
- Was together for 25 years
- Married for 6 years
A court might only consider the last 6 years when dividing marital property, unless compelling arguments are made otherwise.
Types of Property Considered
- Real estate
- Retirement accounts
- Business interests
- Investments
- Personal property
Because these cases can be highly fact-specific, legal guidance is critical.
The Role of Prenuptial and Postnuptial Agreements
Some same-sex couples created agreements before or after marriage to clarify:
- Property ownership
- Spousal support expectations
- Financial responsibilities
These agreements can simplify divorce proceedings and reduce disputes, especially in complex cases involving long-term relationships.
Why Hiring the Right Lawyer Matters
Same-sex divorce is not just about applying standard legal rules, it often requires strategic interpretation of evolving laws.
What to Look for in a Lawyer
- Experience with LGBTQ+ family law
- Understanding of pre-marital relationship issues
- Knowledge of Illinois divorce statutes
- Strong mediation and litigation skills
An experienced attorney can help ensure that your relationship history is fully understood and fairly represented.
Benefits of Uncontested Same-Sex Divorce
Whenever possible, an uncontested divorce is often the best path forward.
Advantages Include:
- Faster resolution
- Lower legal costs
- Less emotional stress
- Greater privacy
- Better co-parenting outcomes
However, uncontested divorce is not appropriate in all situations, especially those involving abuse, coercion, or significant imbalance of power.
Navigating Same-Sex Divorce in Illinois
Navigating a same-sex divorce can feel overwhelming, especially when legal recognition of the relationship did not reflect the full history of the partnership.
Many couples built lives together long before Illinois allowed same-sex marriage, which can create uncertainty around financial contributions, shared assets, and parental roles. Courts aim to apply existing laws fairly, but the outcome often depends on how clearly each party presents the facts of the relationship. This makes preparation especially important.
Gathering documentation such as joint financial records, housing agreements, and evidence of shared responsibilities can help establish a more complete picture of the relationship.
It is also important to approach the process with a clear understanding of your goals, whether that involves protecting parental rights, securing fair financial support, or reaching an efficient resolution through agreement.
Working with a knowledgeable attorney can help reduce uncertainty and ensure that the unique aspects of your case are properly addressed. With the right legal strategy and support, it is possible to move through the divorce process with greater clarity and confidence while protecting what matters most for your future.
Frequently Asked Questions About Same-Sex Divorce
Do Same-Sex Couples Have the Same Divorce Rights in Illinois?
Yes. Same-sex couples have identical legal rights and responsibilities as opposite-sex couples under Illinois law.
Can a Non-Biological Parent get Custody?
Yes, if they are legally recognized as a parent or can establish parental rights through the court.
Does Pre-Marriage Cohabitation Count in Divorce?
Sometimes. Courts may consider it, especially in spousal support cases, but it is not automatic.
What Happens if We Were in a Civil Union?
Civil unions may impact how the court views your relationship timeline and legal rights.
Work With an Experienced Same-Sex Divorce Lawyer
Same-sex divorce cases often require a deeper understanding of both legal standards and the realities of LGBTQ+ relationships. At Erlich Law Office, we are committed to providing knowledgeable, respectful, and personalized representation.
Whether you are dealing with custody, property division, or spousal support, we are here to help you protect your rights and move forward with confidence.
Call us today at (630) 538-5331 to schedule a consultation.