Josias is a distinctive boys' name in United States, ranking #1895 in 2003 with 62 recorded births. The name reached its all-time peak in 2025 with 247 births ranking #950. Since 1996, the popularity has increased by 87.9%. In 2003, approximately 1 in every 31,859 boys born was named Josias. RISING Recent data shows the name is currently rising.