Antonius is a distinctive boys' name in United States, ranking #9819 in 2023 with 7 recorded births. The name reached its all-time peak in 2000 with 16 births ranking #4590. Since 1996, the popularity has decreased by 36.4%. In 2023, approximately 1 in every 244,079 boys born was named Antonius. RISING Recent data shows the name is currently rising.