Variant of Addie, a diminutive of Adelaide meaning 'noble natured.'
Addia is a variant of Addie, itself a diminutive of Adelaide, which means noble natured. That lineage gives the name a quiet connection to Germanic and royal-classic naming, even though Addia now reads as a fresh feminine form in its own right.
What makes Addia appealing is the balance between softness and dignity. It has the friendly ease of a diminutive, but the underlying Adelaide connection lends it a more polished and historic frame. The name feels light, approachable, and faintly old-fashioned in a way that now feels stylish again.