The name Casey is a unisex given name of Irish origin, meaning "brave in battle" or "vigilant" or "watchful." It has been in use for both boys and girls, with its popularity fluctuating over the years. Originally a strong and masculine name, Casey has also been used for females, particularly in the 20th century. The name gained significant popularity in the 1980s and has seen a recent resurgence, possibly due to its association with American folk heroes like Casey Jones. The name Casey is important because it reflects both strength and vigilance, qualities that have been celebrated in various cultures.
