The surname "McGonagle" is pronounced as /məˈɡɒnəɡəl/. The first syllable "Mc" indicates the Scottish or Irish origin of the name, meaning "son of" in Gaelic. The second syllable "Gon" is pronounced as /ɡɒn/, which is a short sound for "o". The third syllable "a" is pronounced as /ə/ with a neutral vowel sound. The fourth syllable "gle" is pronounced as /ɡəl/ with a hard "g" sound followed by a short "e" sound. Overall, the pronunciation of "McGonagle" is a combination of accents, rhythm, and stress that reflects its Gaelic origin.