Antonia is a moderately popular girls' name in England & Wales, ranking #439 in 2025 with 91 recorded births. The name reached its all-time peak in 1996 with 234 births ranking #190. Since 1996, the popularity has decreased by 61.1%. In 2025, approximately 1 in every 2,783 girls born was named Antonia. FALLING Recent data shows the name is currently falling.
Antonia is the feminine form of Antonius, the old Roman family name behind Anthony and Antonio. It has a long classical history and feels both traditional and international.
The name was used in ancient Rome and later spread widely across Europe in forms shaped by local languages. The family origin is well established, even though the original meaning of Antonius itself is not completely certain.