Antonius is a distinctive boys' name in United States, ranking #12476 in 2022 with 5 recorded births. The name reached its all-time peak in 2000 with 16 births ranking #4590. Since 1996, the popularity has decreased by 54.5%. In 2022, approximately 1 in every 348,875 boys born was named Antonius. RISING Recent data shows the name is currently rising.