Uncertain; likely a modern American creation.
Teniya is a modern American name with no singular established etymology. It is often considered a creative variation of names like Tania or Tenaya, potentially drawing inspiration from the Tenaya Lake and Valley in Yosemite, which are named after a Chief of the Ahwahneechee people.
Less common today
Teniya isn't in the latest US Top 1000. It last peaked at #5,957 in 2001.
US births per 5-year period, 1990βpresent (SSA data).