Modern American creation, likely a blend of sounds
Shatonia is a contemporary American name without a singular historical etymology. It likely emerged in the late 20th century as a creative combination of the prefix 'Sha-' with the name Tonia or Antonia, which means 'priceless' or 'praiseworthy'.
Less common today
Shatonia isn't in the latest US Top 1000. It last peaked at #8,283 in 1990.
US births per 5-year period, 1990βpresent (SSA data).