Marin B. Donnelly

Associate Attorney

Areas Of Practice – 100% of Practice Devoted to Family Law

Phone: (813) 251-9200 Ext. 114

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Marin Donnelly is an experienced attorney who helps clients navigate dissolutions of marriage, paternity, modification, and adoption matters. She devotes 100% of her practice exclusively to marital and family law.

She previously served as an associate attorney representing numerous clients in a variety of family law cases. She is skilled at leading mediations and hearings to seek favorable settlements and rulings for her clients. As a law clerk, she assisted attorneys by conducting legal research and drafting a variety of motions and answers to discovery, specifically in the areas of insurance defense and commercial litigation. Her background also includes work as a Legislative Fellow in the Florida House of Representatives Majority Office and as a court-appointed volunteer service for the Florida Guardian ad Litem Office Circuit 2 advocating for children who are involved in court proceedings, frequently because of alleged abuse or neglect.

Marin graduated Magna Cum Laude with a Bachelor of Science in Telecommunication from the University of Florida, where she was selected to the Order of Omega Honor Society and Florida Cicerones. She earned a Juris Doctor from the Florida State University College of Law and served as a Student Ambassador for the Admissions Office and as LitiGators President.

Marin has been licensed by The Florida Bar since 2022.

Legal Experience:

  • Sessums Black P.A., Associate Attorney, present
  • Thompson, Crawford, Brown & Smiley, Law Clerk/Associate Attorney, January 2022–September 2023
  • DSK Law, Summer Law Clerk, May 2021–August 2021

Professional Experience:

The Florida Bar (2022-Present)

  • Young Lawyers Division, Member (2022–Present)

Hillsborough County Bar Association (2022–Present)

Stanns Givens Family Law Inn of Tampa (2023–Present)

Volunteer Service:

  • Florida Guardian ad Litem Office Circuit 2, Advocate, August 2020 – August 2021


  • Florida State University College of Law, 2022, Juris Doctor
  • University of Florida, 2019, Magna Cum Laude, Bachelor of Science in Telecommunication

Bar Admissions:

  • Florida, 2022