Antonius is a distinctive boys' name in United States, ranking #5920 in 2007 with 14 recorded births. The name reached its all-time peak in 2000 with 16 births ranking #4590. Since 1996, the popularity has increased by 27.3%. In 2007, approximately 1 in every 148,231 boys born was named Antonius. RISING Recent data shows the name is currently rising.