Jessica L. Defino


From a young age, Jessica knew that she had a passion for family law. Jessica finds family law extremely rewarding because she has the ability to counsel, advise, and advocate for her clients during the hardest time in their lives. Jessica is also a certified Guardian ad Litem in DuPage County and enjoys representing minor children while advocating for their best interests.

Jessica is a graduate of The John Marshall Law School in Chicago, Illinois and is authorized to practice law in the State of Illinois. Throughout law school, Jessica worked as a law clerk at a DuPage County family law firm, concentrating exclusively on family law. In her last year of law school, Jessica worked as a judicial extern with presiding Judge Pamela Loza in the Cook County Domestic Relations Parentage Division, where she gained extensive knowledge in parentage cases. During her time in law school, Jessica maintained herself on the Dean's List. She graduated from the University of Iowa with honors and during her time there, Jessica was a co-founder of the Students for Human Rights Group. Jessica also worked closely with one of her professors on a gender studies research and writing project that was ultimately published.

Before joining McSwain Nagle Giese & Rapp, P.C., Jessica worked at a mid-size family law firm in DuPage County where she gained extensive knowledge and experience in the domestic relations area of law. Since graduation from law school, Jessica has concentrated her practice solely in family law matters. Jessica has handled numerous pre-decree, post-decree, parentage, child support, adoption, guardianship, appeals, relocation, orders of protection, and Guardian ad litem cases, including contested cases involving the modification of parenting time and allocation of decision-making responsibilities.

Jessica is the Secretary for the DuPage Justinian Society of Lawyers, Chair of the DuPage County Bar Association New Lawyers Division, and Chair of the Kane County Bar Association New Lawyers Division. Jessica is an active member of the DuPage County Bar Association, Kane County Bar Association, and the Illinois State Bar Association.

Practice Areas


Juris Doctor, The John Marshall Law School, Chicago, Illinois 2016

  • Dean's List
  • Legal Writing Teacher's Aide
  • Mock Trial

Bachelor of Arts, The University of Iowa, Iowa City, Iowa 2013

  • Majors: Communication Studies
  • Minors: Spanish and Human Rights
  • Dean's List
  • Lambda Pi Eta Honors Society

Jurisdictions Admitted to Practice

  • State of Illinois, 2016

Honors and Awards

  • Super Lawyers Rising Star, 2019-Present
  • DuPage Legal Assistance Foundation, New Volunteer Attorney Award, 2018-2019

Published Works

  • “The Uncertainty of Relocation – Where are we going?," DCBA Brief, 2021

Employment History

Kollias & Giese, P.C.

  • Associate Attorney, 2018-2020

Mirabella, Kincaid, Frederick & Mirabella, LLC

  • Associate Attorney, 2016-2018

Mirabella, Kincaid, Frederick & Mirabella, LLC 

  • Law Clerk, 2013-2016

Circuit Court of Cook County

  • Judicial Extern, 2012-2013
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