Ottonia

Ottonia is a rare feminine name derived from the Germanic element *aud-, meaning 'wealth' or 'prosperity'. It is the Latinized feminine form of Otto, a name that gained popularity through the Holy Roman Emperors named Otto. While Otto has a long and distinguished history, Ottonia itself is much less common and has primarily been used in specific regions or families.

The name's usage is often linked to the desire to create a feminine equivalent of the strong and historically significant name Otto. Its rarity suggests it might have been a more formal or aristocratic choice, or perhaps a name used to honor a male relative named Otto. It never achieved widespread popularity like some other Germanic-derived names.