The name "Mary C Jones" can be transcribed phonetically as /ˈmɛri si dʒoʊnz/. The "a" sound in "Mary" is represented by /ɛ/, while the "C" initial is pronounced as "see", /si/. The last name "Jones" is spelled with the voiced consonant /dʒ/ for the "J" sound and the vowel sound /oʊ/ for the "O". The phonetic transcription allows for a precise pronunciation of the name for non-native speakers or those unfamiliar with the English language.