What boy names mean fire?

Aden ... "Fire."

Aidan ... "Fire."

Aodh ... "Fire."

Ashbel ... "Fire of Bel."

Blaise ... The homonym Blaze means "fire"

Brenton ... Bryni is a personal name derived from "bryne", meaning "fire, flame"

Castor ... appearing to them in Saint Elmo's fire.

Edan ... "Fire."

Egan ... "Fire."

Elmo ... The electrical phenomenon sometimes seen in the rigging of ships at sea is called Saint Elmo's fire