Casein is an uncommon but distinctive given name of French origin, derived from the Latin word 'caseus', meaning cheese. It is believed to have been brought into use by French settlers who arrived in Louisiana during the 18th century. The name Casein itself does not possess any specific meaning beyond its connection to cheese-making, which was a significant aspect of early French settlement life. Despite its unconventional nature, Casein is a unisex name that has been used sporadically throughout history and across different cultures.
"From 2016 to 2021, there were a total of 17 babies named Casein. The peak year was 2021 with 7 births, while the years 2016 and 2017 each had 5."