Simply from the English word for the white flower, ultimately derived from Old English dægeseage meaning "day eye". It was first used as a given name in the 19th century, at the same time many other plant and flower names were coined. Daisy originates in Old English language and means "eye of the day". As a feminine given name it is taken from the name of a yellow-white flower. It is has always been one of the more popular flower names that started being given to girls in the Victorian era. It is even more popular in the United Kingdom than the United States.
