ɪn nˈaɪntiːnhˈʌndɹɪd twˈɛnti sˈɪks, tˈɑːmpsən wʌz ᵻlˈɛktᵻd mˈɑːdɚɹˌeɪɾɚɹ ʌvðə dʒˈɛnɚɹəl ɐsˈɛmbli ʌvðə pɹˌɛzbɪtˈɪɹiən tʃˈɜːtʃ ɪnðə juːnˈaɪɾᵻd stˈeɪts ʌv ɐmˈɛɹɪkə.
In 1926, Thompson was elected Moderator of the General Assembly of the Presbyterian Church in the United States of America.