Kasee is of American origin, derived from the Old Norse name 'Ketil'. It means "boat-crew" or "ship", reflecting its Viking roots. The name gained popularity in the United States during the late 20th century and early 21st century, often used as a unique alternative to more traditional names like Casey. Kasee is usually pronounced /KA-see/, with the emphasis on the first syllable. It has no specific nicknames or variations, but it can be spelled in other ways such as Kasee or Kacey to create slight differences in sound and appearance.
The name Kasee saw a significant increase in popularity between the late 1970s and mid-1980s, peaking with 23 births in 1989. However, it then experienced a decline, dropping to just 5 births in 2004, a total of 365 births over this period.