The spelling of the word "McKean" is unique and can be explained using the International Phonetic Alphabet (IPA) transcription. The pronunciation of the first letter "Mc" is represented by the consonant sound /m/ followed by the vowel sound /kə/. The next part of the word is "Kean", pronounced as /kiːn/, with the first letter "K" representing the consonant sound /k/ and the second letter "ea" representing the vowel sound /iː/. Together, the word is pronounced as /məˈkiːn/.
The word McKean is a surname of Scottish and Irish origin. It is derived from the Gaelic name Mac Eáin or Mac Iain, which means son of John in English. The prefix Mac means son of in Gaelic, and Eáin or Iain is the Gaelic form of the name John. Over time, Mac Eáin or Mac Iain was anglicized to McKean. The name may have also been influenced by the Scottish surname MacIan.