Antonius is a distinctive boys' name in United States, ranking #7088 in 2014 with 11 recorded births. This places Antonius in the bottom 50% 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 2014, approximately 1 in every 174,585 boys born was named Antonius. RISING Recent data shows the name is currently rising.