Where does “Josiah” come from?

Josiah is the English form of Biblical Hebrew יֹאשִׁיָּה, a name of uncertain etymology whose original meaning remains unknown.

Ancestry of “Josiah”, step by step

Step	Language	Word	Meaning
1	Hebrew	יֹאשִׁיָּה	—

Josiah — Etymology, Origin & Word History | Etymology Explorer