Guardianship vs. Power of Attorney in Illinois for a Parent With Dementia

Lisa Glenn
Jun 09 2026 15:44

A parent’s dementia diagnosis often raises urgent questions about who can help them make medical and financial decisions. In Illinois, a power of attorney may work if your parent still has legal capacity to understand and sign documents. If they can no longer comprehend their choices, adult guardianship may be required. At the Law Office of Lisa L. Glenn, LLC in Matteson, we help Cook County families understand these options with dignity, compassion, and clarity so they can choose the least restrictive path forward.

What “Capacity” Means Under Illinois Law

A major factor in deciding between powers of attorney and guardianship is whether your parent still has “capacity.” In simple terms, capacity means they understand the nature and consequences of what they sign. Early in dementia, many people still have capacity and can sign estate planning documents, including powers of attorney — which can help avoid the need for guardianship later.

Once dementia progresses to the point where the person cannot meaningfully understand financial or healthcare decisions, they can no longer legally sign documents. At that point, powers of attorney are no longer an option, and guardianship may be necessary.

What a Power of Attorney Can Do

A power of attorney (POA) is a legal document that allows someone (the “agent”) to make decisions for your parent (the “principal”). Illinois recognizes two main types:

  • Power of Attorney for Healthcare — Makes medical decisions, chooses doctors, reviews care plans, and determines living arrangements.
  • Power of Attorney for Property — Handles finances, bills, real estate matters, and legal documents.

Working with an Illinois attorney who focuses on estate planning helps ensure the documents follow state requirements and clearly reflect your parent’s wishes. At our firm, we guide families through creating POAs that protect dignity while giving trusted relatives the authority they need.

When a Power of Attorney Is the Best Choice

A POA is usually the preferred solution when your parent is still able to understand what the document means. It is simpler, faster, and far less intrusive than guardianship. It also allows your parent to choose who they trust — an important part of preserving autonomy.

Many families in Cook County choose powers of attorney during early dementia because it helps them avoid the cost, stress, and court oversight involved in guardianship. A POA can take effect immediately or only upon the parent’s inability to manage certain responsibilities, depending on how it is drafted.

When Guardianship Becomes Necessary

If your parent cannot safely make decisions and no valid powers of attorney exist, guardianship may be required. Guardianship is a court process that appoints someone to make healthcare or financial decisions. Illinois recognizes two main types:

  • Guardian of the Person — Handles medical decisions, personal care, housing, and quality-of-life matters.
  • Guardian of the Estate — Manages finances, property, income, and bills.

In Cook County, guardianship begins with filing a petition, submitting medical reports, notifying relatives, and attending a hearing. The process may feel intimidating, but you don’t have to navigate it alone. We represent families through adult guardianship every step of the way, taking time to explain what to expect and ensuring the court gets the information needed to protect your parent.

Guardianship Is More Restrictive — and Sometimes the Only Option

Because guardianship removes certain rights from the person with dementia, Illinois courts require evidence that it is necessary and that no less restrictive alternatives (like powers of attorney) are available. Even after guardianship is established, the guardian remains accountable to the court through annual reporting and oversight.

While it is more involved than signing powers of attorney, guardianship ensures legal protection once your parent truly cannot manage their own affairs. Families often experience relief knowing their loved one is safeguarded and that decisions can be made promptly when medical or financial issues arise.

Which Option Respects Your Parent’s Dignity the Most?

At the Law Office of Lisa L. Glenn, LLC, our approach centers on dignity, care, and the least restrictive solution. When possible, we recommend powers of attorney because they give your parent a voice in choosing who will help them. But when dementia has progressed, guardianship may be the only path that keeps your parent supported and safe.

We meet families where they are — emotionally and practically — and help them choose the option that aligns with their parent’s needs, safety, and long-term well‑being.

How Our Firm Supports Families in Cook County

Whether you live in Matteson, elsewhere in Cook County, or nearby communities, our firm offers guidance tailored to your family’s situation. We can review your parent’s current condition, evaluate whether powers of attorney are still possible, and walk you through the guardianship process if needed.

You can also explore our resource on Guardianship vs. Power of Attorney or schedule a consultation through our contact page.

FAQ

Does my parent need an Alzheimer’s or dementia diagnosis for guardianship?

No formal diagnosis is required, but medical documentation showing that your parent cannot make informed decisions is necessary for the court to appoint a guardian.

Can I become my parent’s guardian if we already have a power of attorney?

Usually, no. A valid power of attorney often eliminates the need for guardianship unless the agent is unavailable, unwilling, or acting improperly.

What happens if my parent refuses help?

If dementia prevents them from understanding their situation, guardianship may allow you to step in legally even if they are resisting care. A court will review all evidence before making this determination.

How long does Cook County guardianship take?

Many cases take 6–10 weeks, though emergencies can be handled faster. The timeline depends on medical evaluations, notice to family members, and court scheduling.

What if my parent still has good days and bad days?

Capacity is evaluated based on their ability to understand decisions in a meaningful, consistent way. An attorney can help determine whether a power of attorney is still an option.

If you need guidance on powers of attorney, guardianship, or planning for a loved one with dementia, we’re here to help with compassionate, accessible legal support throughout Cook County.