Annaïs is a unique and uncommon female given name of French origin, derived from the Germanic name Anna. It means "favor" or "grace," reflecting its roots as a name denoting approval or kindness. The name Annaïs is composed of the elements 'Anna' and '-ais,' which is a variant of '-ise,' often used to form nouns of action in French. Throughout history, variations of this name have been popular among the nobility in France, with notable figures such as Anne of Brittany, also known as Anne de Bretagne, who played a significant role in the history of France and Brittany.
The name Annais experienced considerable fluctuations in popularity over the years, with periods of high frequency (like late 1980s to early 1990s and mid-2010s) and low occurrence (mid-to-late 1990s and early 2000s). The peak years for the name were 1996 with 14 births, followed by 2016 to 2018 with 16 births each year. Despite these fluctuations, Annais remains a distinctive name with a total of 374 births over the given period.