Josias is a distinctive boys' name in United States, ranking #1316 in 2017 with 137 recorded births. This places Josias in the top 9% 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 315.2%. In 2017, approximately 1 in every 13,506 boys born was named Josias. RISING Recent data shows the name is currently rising.