In 2018, 84 is the most common age for an American (U.S.) Hilda who is registered female with the Social Security Administration. It is the 938th most common female first name for living U.S. citizens.
― Anonymous User 10/11/2018
6
The name Hilda was given to 49 girls born in the US in 2015.
https://www.behindthename.com/name/hilda/top/brazil
https://en.m.wiktionary.org/wiki/Hilda#Portuguese