Invented name, likely a variant of Tanisha
Tenesha is a modern American coinage, most likely emerging as a creative variation of Tanisha. While Tanisha has roots in Sanskrit meaning 'ambition' or Hausa meaning 'born on Monday', Tenesha is primarily valued for its unique phonetic appeal in English-speaking communities.
Less common today
Tenesha isn't in the latest US Top 1000. It last peaked at #2,222 in 1990.
US births per 5-year period, 1990βpresent (SSA data).