ɪn nˈaɪntiːnhˈʌndɹɪd twˈɛnti tˈuː, klˈænsi wʌz ᵻlˈɛktᵻd æz ɐ dˈɛməkɹˌæt fɹʌm mˈɪʃɪɡənz fˈɜːst kəŋɡɹˈɛʃənəl dˈɪstɹɪkt tə ðə sˈɪksti ˈeɪtθ kˈɑːŋɡɹəs, sˈɜːvɪŋ fɹʌm mˈɑːɹtʃ fˈoːɹ, nˈaɪntiːnhˈʌndɹɪd twˈɛnti θɹˈiː, tə mˈɑːɹtʃ θɹˈiː, nˈaɪntiːnhˈʌndɹɪd twˈɛnti fˈaɪv.
In 1922, Clancy was elected as a Democrat from Michigan's 1st congressional district to the 68th Congress, serving from March 4, 1923, to March 3, 1925.