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Jillian L. McGuire


Jillian’s practice focuses primarily on family and matrimonial law, including all aspects of divorce, custody, equitable distribution of assets, and child/spousal support, as well as separation agreements, prenuptial agreements, and postnuptial agreements. Jillian also assists with adoptions, including step-parent adoption, and represents clients in matters concerning domestic violence orders of protection. Prior to returning “home” to Syracuse, Jillian clerked for the Honorable John H. Tisdale of the Circuit Court of Maryland, and practiced privately in Maryland and Washington, D.C. Jillian is an active participant in the New York Bar and remains a member of the Maryland Bar.


  • Represents clients in matters ranging from simple cases to complex divorce litigation involving substantial assets and high net worth individuals
  • Negotiates marital agreements (separation, prenuptial, postnuptial, custody plans)
  • Works closely with forensic accountants to value assets and businesses
  • Skilled at working to creatively resolve problems, as well as litigating issues in court
  • Has represented children in contested divorce and custody cases


  • Board of Directors, Central New York Women’s Bar Association
  • Board of Directors, Hiscock Legal Aid Society
  • Board of Directors, Onondaga County Bar Foundation
  • Volunteer at the Onondaga County Family Law Clinic
  • Member, Onondaga County Bar Association, New York State Bar Association, and Women’s Bar Association of the State of New York
  • Central New York 40 Under 40 2019



  • Board of Directors, Montgomery County Bar Association, Maryland Bar Association, Women’s Bar Association
  • Montgomery County, Maryland Inns of Court
  • Member, Montgomery County Bar Association, Frederick County Bar Association and Maryland Bar Association
  • Youth soccer and lacrosse coach
  • Tutor for middle school and high school students
  • Rising Star 2018
  • Women’s Bar Association of the State of New York Hanna S. Cohn Pro Bono Award 2018
  • Upstate New York SuperLawyers “Rising Star”: 2014, 2015, 2016, 2017
  • Maryland SuperLawyers “Rising Star”: 2010, 2011, 2012, 2013
  • Empire State Counsel, 2014 (recognition for contributions to pro bono service)
  • Onondaga County Distinguished Pro Bono Service Award, 2014
  • National Association Women Lawyers Law Student Award, 2006
  • Bachelor of Arts from College of the Holy Cross
  • Jurisdiction Doctor from Washington & Lee University School of Law
  • New York State Bar
  • Maryland State Bar
  • Washington D.C. State Bar (currently inactive)


Jillian DiLaura McGuire Named Partner at Mackenzie Hughes LLP

SYRACUSE, NY- Jillian DiLaura McGuire has been elected to the partnership at Mackenzie Hughes LLP. Since joining the firm in 2013, McGuire’s practice has focused primarily on family and matrimonial law, including all aspects of divorce, custody, equitable distribution of assets, and child/spousal support, as well as separation, prenuptial, and postnuptial agreements. A native and…

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Mackenzie Hughes’ McGuire Honored as a 2019 “40 Under Forty” Award Recipient

SYRACUSE, N.Y. – Jillian DiLaura McGuire, a family law attorney at Mackenzie Hughes LLP, has been named a 2019 “40 Under Forty” award recipient. The “40 Under Forty” award recognizes young leaders who excel in the workplace and give back to the community,” said Anne Ruffer, managing partner at Mackenzie Hughes. “Jillian is certainly more…

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Mackenzie Hughes LLP Attorneys Recognized by Super Lawyers

SYRACUSE, NY – Mackenzie Hughes LLP is pleased that eight of its lawyers have been named as Super Lawyers in the 2018 edition of New York Super Lawyers Upstate magazine. The list includes: Stephen T. Helmer, Business & Civil Litigation; Personal Injury & Medical Malpractice; Ami S. Longstreet, Estate Planning & Probate; Elder Law; James…

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Collaborative Law: An alternative to consider when facing Divorce

Separation and divorce can be an overwhelming and terrifying process.  In an instant, everything you hold nearest and dearest – your children, your home, your business, your money – is being examined, considered, and divided.  This process is overseen by a judge, a person you have never met, who does not know you, and who…

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New Tax Bill Drastically Changes Treatment Of Alimony

For the last seventy-five years, a spouse paying alimony (also known as “maintenance” or “spousal support” in New York and many other jurisdictions) has been able to deduct the alimony award from his or her tax return each year.  Likewise, the spouse receiving the maintenance has the obligation to include the total amount of alimony…

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Same Sex Marriage in New York after Obergefell v. Hodges: What Now?

There has been a tremendous sea change across the United States as it relates to same sex marriage, the majority of which has taken place almost entirely within the last decade. In the past three years alone, nearly two dozen states offered their residents some form of same sex union for the first time. On…

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