Gillian O’Nan is an Atlanta family law attorney experienced in all aspects of family law, having dedicated her entire career to practicing family law. Gillian provides effective, resourceful, and responsive representation in a wide range of family law matters including divorce actions, separate maintenance actions, alimony and spousal support actions, child custody and support actions, contempt actions, post-divorce modification and enforcement, adoptions, family violence actions, legitimation actions, prenuptial and postnuptial agreements, and wills.

Gillian understands that the emotional and financial consequences of family law litigation can be devastating for parties and children. Therefore, Gillian takes pride in her ability to resolve even the most complex disputes in a civil manner while protecting her clients’ parental rights, property interests and the best interests of the child. Gillian also realizes that despite highly skilled negotiations some cases must go to trial. In those cases, Gillian has the experience and training to tenaciously pursue her clients’ best interests in the courtroom.

In adherence to her core values, Gillian believes that she can only obtain excellent results with ethical practice. She treats her clients with respect and compassion. Gillian will strive to find a resolution to your case that will protect your children, maximize your financial security and promote a positive future for you and your family. As a sole practitioner, Gillian will provide individualized attention to your case, responding to you directly and quickly, and providing you with thorough and individualized attention. Gillian will listen to you, provide you with options, and keep you informed every step of the way. No matter how simple or complex your case is, her goal is to maximize outcomes and minimize costs while providing you with comfort and guidance during this most difficult time in your life. As a mother of three, Gillian is extremely child-focused, and will work diligently to protect the interests of your children, minimizing the amount of trauma that they experience during this process.

When you are ready, please give Gillian a call to arrange a confidential consultation. Gillian is happy to assist you with any divorce or family law related matter in the Atlanta area, as well as any family law matter in the surrounding counties.

  • Education
    • University of Georgia, Athens, Georgia, J.D., With Honors, 2006
    • University of Georgia, Athens, Georgia, B.A., Cum Laude, 2002
  • Bar Admissions
    • 2006, Georgia State and Superior Courts; U.S. District Court, Northern District of Georgia
    • 2007, Supreme Court of Georgia; Georgia Court of Appeals
  • Professional Leadership and Associations
    • Mentor, State Bar of Georgia, Transition into Law Practice Program (2013)
    • Member, Lawyers Club of Atlanta
    • Board of Directors, Georgia Lawyers for the Arts (2012)
    • President, Young Lawyers Division of Family Law Section of State Bar of Georgia (2010-2011)
    • Executive Committee Member, Family Law Section of State Bar of Georgia (2010-2011)
    • Event Chair, Supreme Cork, Young Lawyers Division, Family Law Section, State Bar of Georgia (2009, 2010)
    • Auction Chair, Supreme Cork, Young Lawyers Division, Family Law Section, State Bar of Georgia (2008)
    • Member, Family Law Section, American Bar Association
    • Member, Family Law Section, State Bar of Georgia
    • Member, Family Law Section, Atlanta Bar Association
    • Guardian Ad Litem, Atlanta Volunteer Lawyers Foundation
    • Guardian Ad Litem, Cobb County Superior Court
    • Volunteer, Atlanta Volunteer Lawyers Foundation
    • Civil Mediator
  • Civic Leadership
    • Board of Directors, Alliance Children’s Theatre Guild (2013-2014)
    • Atlanta Bar Association, Atlanta Bar Foundation, A Courthouse Line X, Participant (2013)
    • Secretary, Brookhaven United Methodist Church Child Development Center Parent’s Association (2013-2014; 2012-2013)
    • Sponsorship Chair, Fundraising Chair, Brookhaven United Methodist Church Child Development Center Parent’s Association (2011-2012)
    • Teacher’s Appreciation Committee Chair, Brookhaven United Methodist Church Child Development Center Parent’s Association (2010-2011)
    • Chairman, Ava in Wonderland Charity Gala and Auction benefitting Rally Foundation for Childhood Cancer Research (2011)
    • Member, Education Committee, Anti-Defamation League (2007-2008)
    • Participant, Glass Leadership Institute, Anti-Defamation League (2006-2007)
    • Major Gifts Ambassador, Darlington School Centennial Campaign (2008-2010)
  • Publications
    • Authored “Three Practical Tips for The Family Lawyer- From a Young Lawyer’s Perspective”, The Family Lawyer, Atlanta Bar Association, Family Law Section, July 2011 Edition