Priceless or praiseworthy
Antonae is a modern feminine elaboration of Antonia, which is the feminine form of the Roman family name Antonius. The exact etymology is uncertain, but it is traditionally associated with the Greek word 'anthos' meaning flower or the Latin sense of being beyond praise.
Less common today
Antonae isn't in the latest US Top 1000. It last peaked at #6,662 in 1998.
US births per 5-year period, 1990βpresent (SSA data).