Unknown; likely a variant of Tatiana meaning fairy queen
Tahtiana is a rare creative spelling of the Latin name Tatiana. While the exact etymology of the root Tatius is obscure, it is traditionally associated with the Sabine King Titus Tatius and has evolved to carry the poetic meaning of fairy queen.
Less common today
Tahtiana isn't in the latest US Top 1000. It last peaked at #9,130 in 1998.
US births per 5-year period, 1990βpresent (SSA data).