Cahill & Associates Law Group, LLC

Cahill & Associates Law Group, LLCCahill & Associates Law Group, LLCCahill & Associates Law Group, LLC

Cahill & Associates Law Group, LLC

Cahill & Associates Law Group, LLCCahill & Associates Law Group, LLCCahill & Associates Law Group, LLC
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Protect Your family

Protect Your familyProtect Your familyProtect Your family

Along with preparing estate plans for every family, we are experts in writing Special Needs Trusts.

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Why choose Cahill & Associates Law Group, LLC?

Preparing for the Future of Your Child

From early intervention, through the years of special education, IEPs transition planning, guardianship, adult services, and estate planning, 

our team has handled it all. We have helped countless families secure 

the lifetime benefits for their special ones as well as safely distributing assets to the family member receiving government benefits as well as 

all other family members.

Personalized Attention

At Cahill & Associates Law Group, LLC, we understand that each client's needs are unique. That's why we provide personalized attention and guidance to ensure that every client's estate plan is tailored to meet their specific goals. We pride ourselves on our in depth explanations of all documents and a detailed to-do-list to make sure all assets are transferred correctly.

Comprehensive Services

We explain the differences between Guardianship for a child versus Powers of Attorney. We explain what your family member's right to benefits really are. We help divorced parents navigate the overlapping systems of parenting plans and  responsibilities of guardianship.

About Cahill & Associates

Our Mission

At Cahill & Associates Law Group, LLC, our mission is to provide our clients with comprehensive service

 that include all family members, both those with challenges and the neurotypical. We strive to and the best estate planning services possible. We strive to ensure that our clients' assets are protected and their wishes are carried out effectively.


Our Team 

We offer a wide range of estate planning services, including Wills, Trusts, Powers of Attorney and more.

Our attorneys work closely with our clients to ensure that their estate plans are tailored to meet their 

specific needs.

Our Team

Mary Denise Cahill

Mary Denise Cahill is the founder and owner of Cahill & Associates  

Law Group, LLC. Her firm concentrates its practice in the areas 

of:

  Guardianship including reports of the guardian to the Court.

  • Special education law 
  •  Finding residential placements for young adults with challenges 
  •  Estate planning for families with special needs issues


Ms. Cahill and her associates represent families of children with special needs, including children diagnosed with autism spectrum disorder (ASD), attention deficit hyperactivity disorder (ADHD), developmental disabilities, emotional disorders and learning disabilities. Prior to going into private practice, Ms. Cahill had a successful career with the Chicago Board of Education as an attorney handling state and federal litigation, EEOC, Illinois Department of Human Rights and similar administrative matters. Since forming her firm, Ms. Cahill has litigated numerous matters related to special education and disability discrimination, under IDEA, Section 504 and the Americans with Disabilities Act (ADA). Ms. Cahill also worked as an associate for a premiere school law firm in the Chicago area. Ms. Cahill is a member of the Illinois State Bar Association, the DuPage County Bar Association; the DuPage Association of Women Lawyers and the Council of Parents, Attorneys and Advocates. Ms. Cahill received both her B.S. and J.D. degree from Loyola University Chicago. She is licensed in Illinois and Arizona. She also holds a secondary teaching certificate in Illinois.

Alysha Briggs-Miller

Alysha Briggs-Miller is an associate attorney at Cahill & Associates Law Group, LLC specializing in Estate Planning and Special Education Law. 

Prior to her employment at Cahill & Associates, Ms. Briggs-Miller

completed an internship with the Guardianship and Advocacy

 Commission of Illinois drafting briefs on behalf of involuntarily committed patients. While completing her law degree, Ms.Briggs-Miller worked 

as a sign language interpreter for Northern Illinois University 

interpreting university classes for deaf students. Ms. Briggs-Miller received her J.D. degree, cum laude, from Northern Illinois University College of Law and was a member of the law review. 

Ms. Briggs-Miller is licensed in Illinois.

Julie A. Debnar

Paralegal

Julie obtained her paralegal degree from MacCormac College. 

She brings 40+ years of experience to our firm as a paralegal and 

law office manager. She is the first person you will speak to when you call our office.  She supports all of the activities that we undertake and keeps the wheels turning.  When not working, she enjoys spending time 

with her family, glamping and traveling to the ocean.

Most Frequently Asked Questions

Please reach us at mdcahill@sbcglobal.net if you cannot find an answer to your question.

In Illinois, a person is considered an adult at the age of 18 with adult rights,

responsibilities and consequences. For example:


  • Educational decisions – School Administrators will tell the parents that the student now makes all decisions about their education. The school cannot prevent a student from walking away from their program.
  • Healthcare decisions – Medical providers will tell parents that they no longer have access to their child’s medical records. A doctor will look to the child to decide what course of treatment they want, not to the parents.
  • Encounters with the police – Eighteen year olds are treated as adults by the police.The police will be disinclined to permit parents to intervene to protect their child’s due process rights if it is not evident that the child has a disability.
  • For more information on why your 18 year needs a guardian, contact  our office.


An aging person is presumed to be able to make informed, correct decisions about their finances and healthcare. Most older adults sign Powers of Attorney for Healthcare and Property while they are competent. If there are no Powers of Attorney in place, family members need to consider asking the court to appoint a guardian if they see:


  • Declining health and wellness - Failure to make and keep doctors appointments, medications not renewed, weight loss, growing is no longer important. Guardianship of the person will give the family the authority to step in and get the person back on track.
  • Finances in disarray - Piles of unopened mail, many packages arriving at the persons door, new acquaintances taking advantages of friendship.
  • Neighbors or friends or healthcare workers expressing concern even if the immediate family does not recognize a problem.
  • For information on how to initiate a guardianship, please contact our office.


There are many life changing milestones in our life that will make an estate plan necessary. Eighteen is the first changing milestone because the law declares that a person to be an adult. An estate plan can begin very simple at 18 and expand as responsibilities grow. For example:


  • Becoming eighteen - Power of attorney for health care - designate a parent or other trusted person as an agent for health decisions because if they are injured and taken to a hospital, there is no time to waste deterring who can make medical decisions for the injured person.
  • Working or going to college – Power of attorney for property – designate a parent or other trusted adult who can make financial transactions on their behalf, if the need arises, such paying bills, speaking with student aid institutions and creditors.
  • A single adult at any time of life – prepare a Will or other use other estate planning techniques to designate and outline the distribution of money and property. If there is no Will or other documents, the state will determine who gets your assets under the then current laws of descent and distribution.
  • Marriage – prepare an estate plan in order to structure how assets will be distributed if one or both spouses died suddenly.
  • Children – prepare an estate plan to provide for the children’s future and nominate guardians while they are minors or disabled, in the event of the parents’ death.



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Cahill & Associates Law Group, LLC

1155 South Washington St., Ste 106, Naperville, Illinois 60540, United States

Telephone: (630)778-6500 Email: mdcahill@sbcglobal.net

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