Josiah is a popular boys' name in United States, ranking #53 in 2024 with 5,457 recorded births. The name reached its all-time peak in 2017 with 7,073 births ranking #51. Since 1996, the popularity has increased by 339.4%. In 2024, approximately 1 in every 314 boys born was named Josiah. STABLE Recent data shows the name is currently stable.