The spelling of the name "Cassidey" is an interesting one. While it may seem unique or unusual, it actually follows a common pattern in English phonetics. The first syllable, "Cas," is pronounced as "kæs" (IPA: /kæs/), using the "a" sound as in "cat." The second syllable, "sidey," uses the "i" sound as in "eye," and is pronounced as "saɪdi" (IPA: /saɪdi/). Together, the name is pronounced as "KAS-uh-dee" (IPA: /ˈkæsədi/).