Casey is a gender-neutral name and is of Irish origin. It can be used for both girls and boys. It means vigilant; Shines and excels. As a unisex name, this name is popular with both boys and girls. Pronounced as key-see, the name is currently in the top 100 of NameChef Most Popular Baby Names and in the top 500 of U.S birth chart of the year 2021. Variations of Casey include Casi, Cassie, Casie.
Casey can be used for both boys and girls.