About Caitlin M. M. Costigan

Caitlin Costigan has devoted her entire legal career to family law and has spent more than 17 years helping clients across Massachusetts through divorce and other domestic matters. She is known for handling complicated issues with a steady, supportive approach, giving clients both practical guidance and confidence during an often stressful time. Caitlin works closely with every client to answer questions, explain the court and divorce process in plain language, and make sure they understand what to expect at each stage. She is also responsive and accessible, returning calls, responding to emails promptly, and keeping clients updated as their case moves forward. Her goal in every matter is to reach a high-quality, cost-effective resolution, whether that happens through thoughtful negotiation or strong advocacy in the courtroom. Caitlin is widely respected as both an effective negotiator and a skilled litigator, and she stays with her clients from start to finish. She earned her degree from the University of Massachusetts Amherst and her J.D. from Quinnipiac University School of Law, concentrating in juvenile and family law. She is licensed in Massachusetts and Maine and admitted in the federal courts of both states, and she formerly co-chaired the Worcester County Bar Association Conciliation Program. Outside work, Caitlin enjoys the outdoors in Maine with her husband, two children, and dog.

 

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Divorce
Posted by anonymous
April 06, 2026
Hired Attorney

Going through a divorce is one of the most stressful experiences, and having a knowledgable, trustworthy, organized attorney to represent you is crucial. I worked with Makayla and Caitlin during my divorce and they were both incredibly attentive, supportive, and knowledgable throughout the entire process. I never felt like "just a client", but felt like they were listening to me and really knew my case. I primarily worked with Makayla and I still say to this day that she was my saving grace the day I entered that courtroom because she walked me through each and every step of the process and represented me in a confident, supportive and respectful way that helped me get what was best for my kids. I highly recommend Costigan Family Law! Even years after my divorce was finalized, Makayla remembered my case and helped to provide me with some guidance.

 

Services

Areas of Law

  • Family Law 5
    • Child Custody
    • Divorce & Separation
    • Child Support
    • Gay and Lesbian Family Law
    • Visitation Rights
  • Gay Divorce
  • Family Mediation

Experience

  • Bar Admission & Memberships
    Admissions
    2008, Massachusetts
    2013, Maine
    U.S. District Court, District of Massachusetts
    2013, Maine
    2008, Massachusetts
  • Education & Certifications
    Law School
    Quinnipiac University School of Law
    Class of 2007
    J.D.
    Other Education
    University of Massachusetts, Amherst
    Class of 2004
    B.A.
  • Personal Details & History
    Age
    Born in 1981
    May 6, 1981
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Attorneys FAQs

  • What year was this attorney first admitted to the bar?
    Caitlin M. M. Costigan was admitted in 2008 to the State of Massachusetts and Massachusetts.
  • Is this attorney admitted to the bar in more than one state?
    Yes, Caitlin M. M. Costigan is admitted to practice in Maine and Massachusetts.
  • Is this attorney admitted to practice in any U.S. Federal Courts?
    Caitlin M. M. Costigan is admitted to practice before the United States District Court for the District of Massachusetts.
  • What law school did this attorney attend?
    Caitlin M. M. Costigan attended Quinnipiac University School of Law.