Who Is Lia Anthony? Everything We Know About Red Sox Star Roman Anthony's Sister

Lia Anthony, the 23-year-old sister of Boston Red Sox Star Roman Anthony, became a viral sensation at Tuesday's game against the Tampa Bay Rays. She was sitting in the audience watching her brother record his very first MLB hit, and the broadcast cameras picked her up. Fans saw her for a few seconds during the coverage, as well as in conversation with a sideline reporter, and couldn't forget.

Since her debut on Major League Baseball TV, the Florida State University graduate has amassed over 11,000 followers on her Instagram account. She talked about how thrilled she was to be in the audience in Boston to watch her brother start his career for the Red Sox.

Lia Anthony is a senior at Florida State University, studying Human Development and Family Sciences, as per her LinkedIn profile. Her Instagram account reveals that she celebrated her 21st birthday in Nashville, Tennessee, indicating that she is likely 23 years old now. As of June 12, 2025, she is working as a Teacher Assistant with IMPACT Tallahassee, a non-profit.

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Her LinkedIn profile further reveals that she studied at Cardinal Newman High School, as opposed to his brother, Roman, who went to Marjory Stoneman Douglas High School. Her Instagram profile reveals her glamorous lifestyle, which includes trips around the country with her friends and family.