Meaning and Name Origin
Josia is an unusual given name for men. Josia is an equally uncommon surname for both adults and children. (2000 U.S. Census)
Below is a charted analysis of the popularity of the boy name Josia and associated names. Josiah (#64 in 2014) and Joziah (#835) are the prominent alternative forms of Josia (#unlisted). These boy names are at the peak of their popularity presently. Josiah (#64) is the most trendy birth name here, with this name going through a rebound in popularity. (Top 1000 Baby Names Statistics, 2014)
Josia is alike in pronunciation to Josua. Other suggested similar baby names are Jasha, Jesiah, Jose, Josh▼, Joshua▲, Josif, Josip, Joss, Josue▲ and Jozua. These names tend to be more commonly used than Josia.