Josia is a distinctive boys' name in United States, ranking #6580 in 2008 with 13 recorded births. This places Josia in the top 45% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2008 with 13 births ranking #6580. Since 1996, the popularity has increased by 116.7%. In 2008, approximately 1 in every 156,919 boys born was named Josia. FALLING Recent data shows the name is currently falling.