ˌɛnwˈaɪ wˈʌnhˈʌndɹɪd ɪlˈɛvən wʌz ɐsˈaɪnd æz pˈɑːɹt ʌvðə nˈaɪntiːnhˈʌndɹɪd θˈɜːɾi ɹᵻnˈʌmbɚɹɪŋ ʌv stˈeɪt hˈaɪweɪz ɪn nˈuː jˈɔːɹk æz ɐn ˈiːst ˈɪslɪp vˈɪlɪdʒ ʌvðə bɹˈæntʃ hˈaɪweɪ, jˈuːzɪŋ wʌt ɪz nˈaʊ kˈaʊnti ɹˈaʊt sˈɛvəntˌiːn sˌiːˈɑːɹ sˈɛvəntˌiːn sˈaʊθ ʌv hˈɔːpɔːdʒ.
NY 111 was assigned as part of the 1930 renumbering of state highways in New York as an East Islip–Village of the Branch highway, using what is now County Route 17 (CR 17) south of Hauppauge.