Antonia

The name Antonia [an-toh-nee-uh, -tohn-yuh]is a female given name. This name is from Roman origin. It is a feminine form of the name Antonio. The meanings of the name are "priceless", "beautiful" and "praiseworthy". 
There are several princesses and famous people named "Antonia". A French form of the name is Antoinette.This is a unique name (not in the top 1000 newborn names in the US in 2021).