During the period 1890-1910 when Art Nouveau flourished, well-known female artists were few. This article provides a glimpse into the works of a few female artists who achieved acclaim. Note the iconic Tiffany lamp designs of Clara Driscoll.
https://www.dailyartmagazine.com/art-nouveau-female-artists/
And finally, the jewelry of Rene Lalique:
https://www.dailyartmagazine.com/rene-lalique-master-art-nouveau-jeweller/
Enjoy.