What does Josia mean?
Josia /jo-sia/ [1 syll.] as a boys' name. Josia's root is Hebrew, and the meaning of the name Josia is "Jehovah helps". Josia is an alternate spelling of Josiah (Hebrew). Compare surname Joshi.
How popular is Josia?
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 (not ranked). These boy names were at the peak of their popularity in 2014 (usage of 0.5505%). 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.