I love to write fantasy stories. I have a character named Bianca Patricia Gwynn. She's a pop/rock singer similar to Avril Lavigne, Michelle Branch and Kelly Clarkson.
In 2018, 19 is the most common age for an American (U.S.) Bianca who is registered female with the Social Security Administration. It is the 692nd most common female first name for living U.S. citizens.
― Anonymous User 10/19/2018
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More than 99.9 percent of people with the first name Bianca are female. Also Croatian.
― Anonymous User 6/5/2017
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In Italy Bianca was popular between the end of the 19th century and the beginning of the 20th: it was the 11th most popular name in Rome in 1901 and the 6th in 1906. In the second half of the 20th century it was old-fashioned. Nowadays one can begin hearing some little Bianca again.
https://www.behindthename.com/name/bianca/top/germany
https://www.behindthename.com/name/bianca/top/austria
https://de.m.wiktionary.org/wiki/Bianca
Also Portuguese:
https://www.behindthename.com/name/bianca/top/portugal
https://pt.m.wiktionary.org/wiki/Bianca
Also English. It began to be used in the 70's in the Anglosphere: https://en.m.wiktionary.org/wiki/Bianca
Also Swedish and Danish: https://www.nordicnames.de/wiki/Bianca
Also Dutch: https://www.meertens.knaw.nl/nvb/naam/is/Bianca