Gracious
Ivania is a feminine elaboration of Ivan, which is the Slavic form of John. It carries the same etymological root meaning 'God is gracious' and is primarily used in Spanish-speaking and Slavic cultures.
Less common today
Ivania isn't in the latest US Top 1000. It last peaked at #4,974 in 1994.
US births per 5-year period, 1990βpresent (SSA data).