New Jersey Family Law and Divorce Lawyer


Marissa received her bachelor’s degree in Psychology from Vassar College in 2008, and received her Juris Doctor from Western New England College School of Law in 2011. While in law school, Marissa served as a student advocate where she represented indigent clients facing housing foreclosure. She also served as a legal intern at a Morris County law firm each summer, where she focused primarily on family law matters.

After graduating from law school, Marissa enjoyed a judicial clerkship with the Honorable Kimarie Rahill, J.S.C., of the Warren County Superior Court, Family Part, now the Presiding Judge of the Family Part for Vicinage 13. During her clerkship, Marissa was responsible for various family matters, including matrimonial, non-dissolution, domestic violence and juvenile cases. She also regularly mediated custody, parenting time, and child support for non-dissolution cases.

Prior to joining Lyons & Associates, P.C., Marissa worked for a law firm in the Morris County area as where she focused primarily on the practice of family law.

Marissa is admitted to practice in New Jersey and the U.S. District Court, District of New Jersey.

Marissa holds various leadership positions outside of the firm. She serves as the Vice President of her Business Networking International group based in Somerville, New Jersey, as the only family law attorney. She sits on the Board for the Somerset Business Partnership Young Professionals Division. In addition, Marissa is a member of the Somerset County Bar Association.



Articles Written by Marissa Del Mauro

Amendment to New Jersey Court Rules

Making it Easier for Non-Resident Same Sex Couples to Divorce in NJ

A new amendment to the New Jersey Court Rule 5:7-1 has eased the roadblock that many non-New Jersey residents face when seeking to terminate a domestic partnership or a civil union that was solemnized in New Jersey.


New Tax Bill Signed Into Law Will Eliminate The Deduction for Alimony Payments Effective January 1, 2019

Under the new tax bill signed into law on December 22, 2017, effective for all divorces that happen on or after January 1, 2019, alimony payors will no longer be able to deduct alimony payments in their tax returns.

Do I have to prove that my ex-spouse is living with another person in order to prove cohabitation?

Under New Jersey’s new alimony reform, a payor spouse need not prove that the recipient spouse is residing with another individual for purposes of proving cohabitation. In clarifying the definition of cohabitation, the Act requires the Court to consider eight factors in ultimately determining whether or not cohabitation is occurring.