About Growney, McKeown & Barber, P.A.

Dedicated to delivering compassionate legal solutions that protect your family’s future. We combine decades of experience with a personal touch to help you navigate complex legal challenges.

How We Started

A Family of Lawyers

At Growney, McKeown & Barber, P.A., the practice of law is a family affair. Our family has built a legacy of legal experience passed down through generations. Founded by attorney Margaret Berg Growney in 1981, the firm has been led by her daughter, Mary McKeown, alongside her husband Jon Barber and their daughter, Katie Jackson, continuing a proud tradition of family-led legal service.

Their family legacy continues to guide their commitment to personalized legal service. It is this personal touch and deep-rooted passion for justice that define who we are and how we serve our clients.

Margaret Berg Growney’s distinguished 51-year career left a lasting legacy in the legal community until her retirement in 2002 and her passing in 2018 at the age of 99.


For Over 40 years

H. Mary McKeown

Mary McKeown has dedicated over 25 years to championing the rights of injured individuals, earning an AV Preeminent rating from her peers in the legal community for her outstanding professionalism and ethical standards.

Katie Jackson

Katie Jackson focuses on estate planning and adoptions at Growney, McKeown & Barber, P.A., where she continues to apply her knowledge and dedication to serving clients.

Jon H. Barber

Jon H. Barber is retired from 40 years of practicing and now serves as a certified Family Law Mediator. He facilitated over 500 adoptions in Pinellas and Pasco County, aiding children in finding their “forever families.”


Your Trusted
Family Advocates

At Growney, McKeown & Barber, P.A., our extensive experience in personal injury and estate planning is just the beginning. We pride ourselves on a family-focused approach that extends beyond legal guidance, offering compassionate support and personalized solutions to ensure the best outcomes for every family we serve.

Whether securing justice for injury victims or guiding families through estate planning and adoptions, our dedication to your well-being is unwavering.

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Get the Help You Need

We would be honored to hear more about your unique situation through a free case evaluation. At Growney, McKeown & Barber, P.A., this no-commitment consultation is your first step to understanding your legal options. Allow us to equip you with the insight and strategy needed to confidently shape your future.

Jon H. Barber

Jon H. Barber, recently retired from Growney, McKeown & Barber, was an attorney for 40 years, focusing on estate planning, family law, and adoption. He was born in Southeastern Pennsylvania, graduated from Ohio University in 1970, served in the U.S. Army as a logistician, and later attended Cumberland School of Law. He was admitted to the Pennsylvania Bar in 1976 and the Florida Bar in 1977. Jon also served as an Army Reservist for over 20 years. He moved to Florida in 1981, joining the law firm of Growney, McKeown & Barber, P.A., focusing on family law, wills, probate, and landlord/tenant law.

Jon was a certified Family Law Mediator and facilitated over 500 adoptions in Pinellas and Pasco County, finding joy in helping children find their “forever families.”