Illinois Estate Plan Updates After Marriage, Divorce, or Death

What Happened

Gierach Law Firm published guidance highlighting critical estate planning updates needed after major life events in Illinois. The firm emphasized that marriage, divorce, and death significantly impact existing estate plans, often requiring comprehensive document revisions to prevent unintended consequences.

The guidance addressed specific Illinois legal protections and gaps. While Illinois provides automatic revocation of will provisions benefiting former spouses after divorce under state probate law, these protections don’t extend to retirement accounts governed by federal law. Similarly, marriage doesn’t automatically update estate documents to include new spouses, potentially leaving them without inheritance rights or decision-making authority.

The firm stressed that relying on state default rules rather than proactive planning often produces outcomes contrary to what individuals actually want. They noted that one of the most common situations they encounter involves clients with solid estate plans that were never updated after major life changes, resulting in assets going to wrong recipients or family members lacking proper protection.

What It Means

These life events create significant estate planning vulnerabilities for Illinois families. When someone marries without updating their estate plan, their new spouse receives no automatic inheritance rights or authority to make financial or medical decisions during incapacity. Illinois does provide surviving spouses with elective share rights to claim 33%755 ILCS 5/2-8Verified Oct 10, 2026View source of the estate within 210 days755 ILCS 5/2-8Verified Oct 10, 2026View source, but this statutory protection may not align with the deceased person’s actual intentions.

Divorce creates equally complex issues. While Illinois automatically revokes will and trust provisions favoring former spouses upon final divorce decree, this protection has critical gaps. Retirement accounts, life insurance policies, and other assets with beneficiary designations remain governed by federal law, meaning ex-spouses can still inherit these funds unless beneficiary forms are manually updated. Given that probate in Illinois typically takes 9 months to 14 months, these oversights can tie up substantial assets in unintended distributions.

Death of named beneficiaries or fiduciaries creates additional complications. When a beneficiary dies before the estate plan creator, assets may lapse and distribute according to state intestacy laws rather than the person’s wishes. Illinois follows per stirpes distribution for children, but this default may not match family circumstances. Similarly, when named executors or trustees die without designated successors, families face court-supervised appointment processes during already difficult times. Illinois probate courts charge $284705 ILCS 105/27.1b(a)(2) (Clerks of Courts Act, as last amended by P.A. 104-468, eff. 7-1-26); former 705 ILCS 105/27.3f repealed by P.A. 104-468, eff. 7-1-26Verified Sep 8, 2026View source just for initial filing, and attorney fees typically range from 1.9%755 ILCS 5/27-2 (reasonable compensation; no statutory percentage)Verified Sep 8, 2026View source to 3%755 ILCS 5/27-2 (reasonable compensation; no statutory percentage)Verified Sep 8, 2026View source of the estate value for these complications.

Context from SimplyTrust

Life changes require systematic estate plan reviews to prevent costly oversights. SimplyTrust’s platform helps Illinois residents identify which documents need updates after major events and provides state-specific guidance on beneficiary designations, trustee selections, and asset titling. The platform’s life events checklist ensures comprehensive updates rather than piecemeal changes that leave gaps.

For families navigating these transitions, SimplyTrust offers tools to coordinate updates across all estate planning documents simultaneously. Rather than updating each document separately and risking inconsistencies, the platform maintains alignment between wills, trusts, powers of attorney, and beneficiary designations. This systematic approach prevents the common scenario where some documents reflect new circumstances while others remain outdated, creating conflicts during estate administration.

Source: Updating an Estate Plan After a Marriage, Divorce, or Death | Gierach Law Firm