The word "Mcshea" is a surname that can be spelled in various ways due to its complex Irish origins. The correct pronunciation of "Mcshea" is /məkˈʃeɪ/ where the "m" and "c" are pronounced separately, the "ks" sounding like a "x". The "sh" is pronounced in the same way as "she" in "sheep", ending with "ay" as "may". This spelling system might be confusing for non-native speakers, as it combines several sounds within the word.