The Fourth District was incorporated into New Orleans in 1852; prior to then it was Lafayette City, Jefferson Parish, and Bouligny's older brother, Francis, had served as its mayor.
ðə fˈoːɹθ dˈɪstɹɪkt wʌz ɪŋkˈoːɹpɚɹˌeɪɾᵻd ˌɪntʊ nˈuː ˈɔːɹliənz ɪn wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd fˈɪfti tˈuː; pɹˈaɪɚ tə ðˈɛn ɪt wʌz lˌæfeɪˈɛt sˈɪɾi, dʒˈɛfɚsən pˈæɹɪʃ, ænd bˈuːlɪɡniz ˈoʊldɚ bɹˈʌðɚ, fɹˈænsɪs, hæd sˈɜːvd æz ɪts mˈeɪɚ.