Uncertain; possibly a modern elaboration of Maria.
Kemaria is a rare modern American name. It most likely functions as a creative elaboration of the name Maria, potentially influenced by the 'Ke-' prefix common in African American naming traditions or similar-sounding names like Keira or Samaria.
Less common today
Kemaria isn't in the latest US Top 1000. It last peaked at #7,707 in 2007.
US births per 5-year period, 1990βpresent (SSA data).