Sorry to bust the bubble of any professed puritans or originalists but there’s soda bread and there is everything else, and I might have missed it but I haven’t seen one recipe on here that’s an actual, authentic soda bread recipe. Nor is my own family’s “soda bread” (from Cratloe, County Clare) the genuine article; it is in fact closer to a tea cake. Soda bread and brown bread are not the same thing. I defer all things soda bread to the following website, rich in soda bread research, lore and mythos:
The Society for the Preservation of Irish Soda Bread