Antonius is a distinctive boys' name in United States, ranking #6114 in 2002 with 11 recorded births. This places Antonius in the top 49% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2000 with 16 births ranking #4590. In 2002, approximately 1 in every 176,497 boys born was named Antonius. RISING Recent data shows the name is currently rising.