Queen or pure
Raynna is a modern American coinage likely blending the Spanish 'Reina' meaning queen with the Greek 'Raina' meaning pure. It may also be interpreted as a creative spelling of Raina or Rayna, which have roots in Slavic and Germanic languages.
Less common today
Raynna isn't in the latest US Top 1000. It last peaked at #11,749 in 2021.
US births per 5-year period, 1990βpresent (SSA data).