Cay is a form of the Vietnamese Cai.
Cay is also a German form of the English and German Kay.
See also the related category german.
Cay is uncommon as a baby girl name. It is not in the top 1000 names.
Baby names that sound like Cay include Cae, Cai (Vietnamese), Cais, Caye, Kae (English), Kay (English and German), Kaye (English), Khay, Khaye, Cace, Cach, Cache, Cachee, Caisey, Cas (English), Cass (English and Greek), Casse (English), Cayce (English), Cayke, and Cayse (English).
† English pronunciation for Cay: K as in "key (K.IY)" ; EY as in "ate (EY.T)"