Haleigh Haffner Mulhern


Associate Attorney

847-729-6900 phone

Haleigh Mulhern is a graduate of Clemson University with a Bachelor's degree in Modern Languages. She received her Juris Doctor and a certificate in Public Interest Law from Loyola University Chicago School of Law. Haleigh was sworn in to the Illinois Bar in January 2021. While at Loyola, Haleigh was on the executive board of the Consumer Law Review and was involved with Loyola's Legislation and Policy Clinic. While in law school, she worked for Legal Aid Chicago, Judge Ronald F. Bartkowicz at the Circuit Court of Cook County, and Justice Carl A. Walker at the Illinois Appellate Court. She also clerked for a plaintiffs' personal injury firm and a mid-size insurance subrogation firm. 

Bar Admission:

  • Illinois, 2020


  • Haleigh Haffner, Amendments to California's Proposition 65: Clarity for Consumers, Less Confusion for Businesses, 31 Loy. Consumer L. Rev. 128 (2018). 

Professional Associations and Memberships:

  • Legal Aid Chicago Ambassadors Board, Executive Committee Co-Chair;
  • Illinois State Bar Association, Member;
  • IRELA, Member


  • English
  • Spanish (conversational)

Recent Blog Posts


  • Valuable Partners

    I've worked with Joe and Haleigh at Haffner Law for years. I know my clients will be in good hands whether they are selling or purchasing their homes. They are valuable partners who are always very accommodating to both me and my clients. I highly recommend them!
  • Can't thank you enough Joe and Haleigh!

    Joe and Haleigh Haffner were great to work with when closing on our first home this past fall. They kept us updated every step of the way through phone calls and email. Joe and Haleigh were very responsive and helped answer all questions we had as first time buyers. This was specifically helpful ...

Haffner & Mulhern is Here For You

At Haffner & Mulhern, we are here to listen to you and help you navigate the legal system.


If you would like to learn more about our firm and how we can assist with your legal matter, contact our office. Call 847-729-6900 for your free initial consultation today. Haffner & Mulhern is proud to serve clients in Glenview, Niles, Skokie, Des Plaines, Wheeling, Evanston, Morton Grove, Mount Prospect, and throughout all of Cook County, Lake County, Will County, and DuPage County.