Thania

Meaning & origin

Thania is a modern respelling of Tania, itself a diminutive of the ancient Roman name Tatiana. First recorded in the United States in 1962, Thania emerged as a distinctive variant during a period when creatively spelled names were gaining traction. Its peak year came in 1993, when it reached its highest usage, though it has since experienced a steady decline starting in 2002 and continues to fall. In 2025, it remains rare, with only about 1 in 321,453 newborns receiving the name. The variant has not been concentrated in any particular state according to available data, suggesting a broad but very low distribution. Parents drawn to Thania often appreciate its familiar yet unique sound, similar to other names like Tania or Tanya.

Thania is most likely a respelling of Tania, a common English and Russian diminutive of Tatiana. Tatiana is a female name of Roman origin, derived from the Sabine king Titus Tatius, whose name is of uncertain etymology. The name spread through the Eastern Orthodox Church via Saint Tatiana, a 3rd-century martyr. As a modern English coinage, Thania emerged in the mid-20th century, first recorded in the U.S. in 1962, and saw brief popularity in the 1990s.