Caysi is of American origin, derived from the Native American tribe name Cayuse. It has gained popularity as a given name in recent years, particularly among parents seeking unique and meaningful names for their daughters. The name Caysi is often associated with the Cayuse people, known for their skill in horse breeding and horsemanship, adding a touch of strength and resilience to its character.
Caysi had 10 babies named Ann between 1988 and 1993, with five born each year.