Dawn or spring
Ostara is the name of a Germanic goddess of the spring and the dawn. Her name is the etymological root of the word Easter, representing the season of rebirth and new beginnings.
Less common today
Ostara isn't in the latest US Top 1000. It last peaked at #8,103 in 2019.
A character representing the goddess of spring Β· American Gods
US births per 5-year period, 1990βpresent (SSA data).