Erinn McKee Hannigan

Top rated Family Law attorney in Cincinnati, Ohio

Stagnaro Hannigan Koop Co, LPA
Erinn McKee Hannigan
Stagnaro Hannigan Koop Co, LPA

Practice Areas: Family Law; view more

Licensed in Ohio since: 2006

Education: Loyola University Chicago School of Law

Selected to Super Lawyers: 2014 - 2023 Selected to Rising Stars: 2012 - 2013

Stagnaro Hannigan Koop Co, LPA

120 E 8th St
3rd Floor
Cincinnati, OH 45202 Visit website


A partner at Stagnaro Hannigan Koop Co., LPA, Erinn McKee Hannigan handles matters of collaborative divorce, mediation representation, dissolution, negotiation, review and advise, and is a mediator, guardian ad litem and parenting coordinator. After spending half her career working in the court system, she now focuses her efforts on helping her clients obtain settlements out of court through alternative dispute resolution such as mediation, collaborative practice and arbitration.

In 1995, Ms. Hannigan graduated with honors from Ball State University, then went on to Loyola University Chicago School of Law to earn a Juris Doctor in 2002. While in law school, she earned a Certificate of Childlaw as she concentrated her studies in family and child law. Ms. Hannigan is licensed to practice in North Carolina and Ohio, and is extensively experienced in high-conflict family matters, juvenile court issues and domestic relations.

A member of the Cincinnati Academy of Collaborative Professionals, the Cincinnati Bar Association Domestic Relations Section, the International Association of Collaborative Professionals, the North Carolina Bar Association and the Ohio Bar Association, Ms. Hannigan is also co-chair of Cinderella’s Closet, Northern Kentucky. In the Hamilton County Court of Domestic Relations, she has been appointed as a guardian ad litem.

Erinn is consistently named as a Superlawyer in Ohio since 2007, was named as one of the Top 25 Women Lawyers in Cincinnati in 2016, 2019 & 2020, Top 50 Superlawyers in Cincinnati in 2019 & 2020 and Top 50 Women Lawyers in Ohio in 2019 & 2020.

Practice areas

Family Law

Focus areas

Alimony & Spousal Support, Child Support, Custody & Visitation, Dissolution, Divorce, Marital Property, Mediation & Collaborative Law, Prenuptial Agreements, Same Sex Family Law

  • 100% Family Law

First Admitted: 2002, North Carolina

Professional Webpage:

Pro bono/Community Service:
  • Cinderella’s Closet, 
Educational Background:
  • Ball State University, B.A., with honors
Bar/Professional Activity:
  • Cincinnati Academy of Collaborative Professionals 
  • North Carolina Bar Association 
  • International Association of Collaborative 
  • Ohio, 2006
  • Cincinnati Bar Association, Domestic Relations Section member 
  • North Carolina bar, 2002
  • Ohio Bar Association 
  • Super Lawyer 2013-2017 
  • Top 25 Women Lawyers in Cincinnati 2016
  • Super Lawyer Rising Star 2006-2013 

Office location for Erinn McKee Hannigan

120 E 8th St
3rd Floor
Cincinnati, OH 45202

Phone: 513-813-0627

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