The former course of the Yarra River was slowly filled in over the years, along with the associated swamps, and by the mid-twentieth century, Coode Island was no longer a true island, although the name remained.
ðə fˈɔːɹmɚ kˈoːɹs ʌvðə jˈæɹɚ ɹˈɪvɚ wʌz slˈoʊli fˈɪld ɪn ˌoʊvɚ ðə jˈɪɹz, ɐlˈɔŋ wɪððɪ ɐsˈoʊsɪˌeɪɾᵻd swˈɑːmps, ænd baɪ ðə mˈɪdtwˈɛntiəθ sˈɛntʃɚɹi, kˈuːd ˈaɪlənd wʌz nˌoʊ lˈɑːŋɡɚɹ ɐ tɹˈuː ˈaɪlənd, ɔːlðˈoʊ ðə nˈeɪm ɹᵻmˈeɪnd.