Skilled Litigators Advocating For Clients in Louisiana

Michelle Mayne

Michelle Mayne Davis


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Practice Areas:

  • Motor Vehicle Accidents
  • Premises Liability
  • Workplace Injuries
  • Catastrophic Injuries
  • Wrongful Death
  • Successions and Estate Planning
  • Personal Injury
  • Business Law


Michelle Mayne Davis was born in New Orleans and raised in Chalmette, Louisiana. After graduating as Valedictorian from the Academy of the Holy Angels, she attended Louisiana State University on a full academic scholarship and graduated from the University of New Orleans with a B.S. in marketing. She attended Loyola University School of Law where she was on the Loyola Law Review and served as the Casenote/Quantum Study Editor. She was admitted to the Louisiana Bar in 1994.

Michelle began her legal career with the Houma law firm, St. Martin & Lirette, practicing in personal injury, maritime, mass tort/class action litigation, probate and successions. In 2000, she moved to St. Tammany Parish, and became the sole Northshore attorney for the Metairie-based firm, Dwyer & Cambre, practicing commercial, real estate and construction transactions and litigation, estate planning and probate and successions. In August 2008, she joined with another attorney from that firm, to establish Davis & Duncan, LLC, where she represented individuals, privately held businesses, professionals and real estate investors, as well as homeowners and condominium associations. She has acted as general counsel to a number of professionals and small businesses, advising them on general business and insurance matters and representing them in real estate transactions, litigation, arbitration and mediation. She has represented the State of Louisiana, the Louisiana Attorney General, the Louisiana Department of Revenue and Taxation, the Terrebonne Parish School Board, and the Republic of Panama.


  • Loyola University New Orleans School of Law, New Orleans, Louisiana
    • J.D., Doctor of Jurisprudence - 1994
  • University of New Orleans, New Orleans, Louisiana
    • B.S., Bachelor of Science - 1991
    • Major: Marketing

Bar Admission

  • Louisiana, 1994
  • U.S. Court of Appeals Federal Circuit, 1995
  • U.S. District Court Eastern District of Louisiana, 1995
  • U.S. District Court Middle District of Louisiana
  • U.S. District Court Western District of Louisiana
  • U.S. Court of Appeals 5th Circuit
  • United States Supreme Court

Pro-Bono Activities

  • Delegate, Louisiana Bar Association House of Delegates 2023-2025
  • Trustee, Children’s Museum of St. Tammany Board of Trustees, 2023-2025
  • President, Junior League of Greater Covington, 2017-2018
  • Pastoral Counsel, St. John of the Cross Catholic Church
  • Board Member, St. Thomas More Catholic Lawyers Association
  • W.A.T.C.H. Member, Habitat for Humanity St. Tammany West

Professional Associations

  • Louisiana Bar Association
  • American Bar Association
  • 22nd Judicial District Court Bar Association
  • Louisiana Association for Justice
  • Association of Trial Lawyers of America
  • National Retail & Restaurant Defense Association
  • Louisiana Association of Defense Counsel
  • St. Thomas More Catholic Lawyers Association