Globally, Dayci (Dayci 
) is a rare girly first name. The first name Dayci is habitual in Latin America and the Caribbean, particularly Cuba, where it is a rare female name, Bolivia, and the Dominican Republic. Measured by absolute frequency, the name is most common in Latin America and the Caribbean, particularly Cuba, Mexico, and Peru. Much less frequently, Dayci is the last name as well as the forename.