Meaghin obtained her Juris Doctor from the University of Mississippi School of Law in 2006. She received her B.S. in pharmaceutical sciences from the University of Mississippi in 2000.

She currently serves on the steering committee of the Mid-South Intellectual Property Institute. She has previously served on the Mississippi Technology and Intellectual Property Laws Study Group, convened by the Secretary of State, and as chair of the Intellectual Property Section of the Mississippi Bar. She is a frequent speaker on intellectual property issues, particularly as they relate to education or entertainment law.

She is an active participant in regional filmmaking and local theater, serving on the board of both the Oxford Film Festival and Theatre Oxford. She has produced or directed several short films, the most recent of which was awarded the Casey Spradling Memorial Award for Best Mississippi Narrative at the Oxford Film Festival.

While in law school, Meaghin served as Mississippi Cases Editor for the Mississippi Law Journal and published a comment, “New Approaches to Pharmaceutical Patent Law: Why Current Patent Jurisprudence Is Inappropriate as Applied to the Unique Characteristics of Chemical Compounds.” She also participated in moot court, winning the McGlinchey Stafford Moot Court Competition and participating on two national moot court teams.

A sixth-generation Mississippian, Meaghin was raised in Ocean Springs, Mississippi, but has lived in Oxford for almost twenty years and considers it home. She and her husband Greg Earnest are the proud parents of their son, Bremen.