Josias is a distinctive boys' name in United States, ranking #1105 in 2023 with 192 recorded births. This places Josias in the top 8% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2025 with 247 births ranking #950. Since 1996, the popularity has increased by 481.8%. In 2023, approximately 1 in every 8,899 boys born was named Josias. RISING Recent data shows the name is currently rising.