Mary A. Cosmo, Attorney

Mary A. Cosmo, Esq.

Mrs. Cosmo is a member of the Florida (FBN 107480) since 2013, and the Missouri (MBN 75311) since 2023, and has been litigating sensitive family and civil law matters. She is dedicated to each client and their case. She has successfully litigated many dissolutions, custody, division of property, partition of marital real property, contested guardianships, and other civil matters (partition of property and civil battery).

Mrs. Cosmo is detailed and meticulous when litigating division of property. Mrs. Cosmo has litigated high asset dissolution as well as modest asset dissolutions. Mrs. Cosmo is well versed in intellectual property, royalty, and business entity rights in the divorce context.

Attorney Cosmo litigates contested matters, such as: divorce, alimony, parental rights, timesharing or visitation, probate matters, and guardianships.

Attorney Cosmo also provides estate planning documents, such as: Will, Trust, Healthcare Advocate, Advanced Directives, Power or Attorney and other estate planning documents.

Don’t forget to check out the new books authored by Mary A. Cosmo, Esq., on

Fun Fact: Mrs. Cosmo has appeared in a Labelle’s Community Theatre production of Drinking Habits and Steel Magnolias as well as other fundraising performances.


  • Fla. Department of Children and Families, Licensed Foster Parent 2017-2021
  • Lee County Teen Court Coach, 2016
  • Lee County Bar Member and Pro-Bono Co-Chair, 2016-17
  • Adjunct Professor at Hodges University, Naples, FL., 2016-17
    • Real Property & Estates
    • Family Law
  • Hodges University Alumni Advisory Council, President 2015
  • Florida Association of Woman Lawyers, Member 2015-16
  • 4-H Advocacy Club, Hendry County 2012-2014
  • FCSL Alumni Association of SW Florida, Founding Co-Chair 2013-14
Mary A. Cosmo (5 years old)
  • Public Interest Research Bureau, Research Associate 2011-12;
  • Law Students Against Violence, Secretary 2011
  • Independent Colleges and Universities of Florida, Presidential Fellow 2007-08
  • Hodges University Legal Society, President 2006-08
  • Save it Now Glades 2007-2009
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