wˈɪljəm dʒˈeɪ. "bˈɪl" mək ˈɪlɹɔɪ fˈoːɹ dʒuːlˈaɪ nˈaɪntiːnhˈʌndɹɪd twˈɛnti ˈeɪt twˈɛnti tˈuː ˈɔːɡəst tˈuː θˈaʊzənd θˈɜːtiːn wʌzɐ bɹˈɪɾɪʃ sˈɛkjʊlɚɹˌɪst ænd ˈeɪθɪˌɪst ˈæktɪvˌɪst, ɹˈaɪɾɚɹ ænd ˈɛdɪɾɚ.
William J. "Bill" McIlroy (4 July 1928 – 22 August 2013) was a British secularist and atheist activist, writer and editor.