Tonnia

Tonnia is an uncommon feminine name that may have originated as a variant of Tonia, itself a diminutive of Antonia (the feminine form of Anthony, meaning "priceless" or "invaluable"). With its double 'n', Tonnia creates a distinctive spelling while maintaining familiar pronunciation. The name emerged in the United States during the mid-20th century but has remained relatively rare. Tonnia has a melodic quality and contemporary feel despite its classical roots. While not frequently appearing on popularity charts, it appeals to parents seeking a name that balances uniqueness with familiarity. The name conveys strength and individuality while maintaining a feminine sound.

Pronounced TON-yuh.

As of October 2026, Tonnia ranked #10803 in US births in 1976 SSA, peaked at #5255 in 1965.