Josiah is a popular boys' name in United States, ranking #53 in 2023 with 5,430 recorded births. The name reached its all-time peak in 2017 with 7,073 births ranking #51. Since 1996, the popularity has increased by 337.2%. In 2023, approximately 1 in every 315 boys born was named Josiah. STABLE Recent data shows the name is currently stable.