Star or immortal
Tanasia is a modern American creation, likely formed as a rhythmic blend of the name Tanya and the suffix -asia. It is often associated with the Greek name Anastasia, meaning resurrection or immortal, or the Slavic name Tanya, meaning fairy queen.
Less common today
Tanasia isn't in the latest US Top 1000. It last peaked at #2,084 in 2005.
US births per 5-year period, 1990βpresent (SSA data).