True image or bringing victory
Ronnika is a modern elaboration of Veronica or Ronna. It likely draws from the Latin 'Vera Icon' meaning true image, or the Greek 'Pherenike' meaning bringing victory.
Less common today
Ronnika isn't in the latest US Top 1000. It last peaked at #8,310 in 1990.
US births per 5-year period, 1990βpresent (SSA data).