Which version is better?with its source form and related girl names. Prominent related forms of Casia (OUTSIDE TOP 2000) are Casey (#814 FROM RECENT DATA), Kasey (#1092), Cassie (#1264), Kacie (#1557), Acacia (#1954), Kasi and Cassy. Other variants, like Cacie, are seldom used. These forms of Casia were popular as birth names 2 decades ago (MEDIAN #866) and have become significantly less popular since, with forms like Casey becoming somewhat outmoded. (TOP 2000 NAMES, 2015)
Casia is pronounced similarly to Kaija, Kasia, Kesia and Quesia. Other recommended names are Asia▼, Basia, Bastia, Blasia, Caci, Caisi, Caisie, Cait, Calida, Calina, Cami, Camia, Carin, Carina▼, Carita, Carla▼, Cas, Cascy, Casee, Casi, Casie, Cason, Cass, Casse, Cassi, Cassia, Casy, Catha, Catia, Catina▼, Caylia, Caysi, Caysie, Celia▼, Ceria, Cesia, Cesya, Chasida, Chasta, Cilia, Cytia (see Cynthia), Dacia, Dalia, Dania, Fabia, Fania, Gaia, Halia, Hania, Kaia▲, Kalia, Latia, Malia, Maria▼, Marsia, Naia, Nania, Nasia, Pazia, Rasia, Samia, Saria, Saskia, Stasia, Tacia, Taisia, Tasia, Tatia, Tazia, Vania and Xavia. These names tend to be more frequently used than Casia.See names in meaning and etymology.