Antonius is a distinctive boys' name in United States, ranking #4590 in 2000 with 16 recorded births. The name reached its all-time peak in 2000 with 16 births ranking #4590. Since 1996, the popularity has increased by 45.5%. In 2000, approximately 1 in every 122,746 boys born was named Antonius. RISING Recent data shows the name is currently rising.