Kammala jumla mai zuwa: Willis shi ne Shugaban Majalisar daga 1944 zuwa 1948. Ya yi aiki a matsayin wakili ga Jam'iyyar Republican National Convention daga Massachusetts a 1940 da kuma
A shekara ta 1948. Bai sake tsayawa takara ba bayan zaman majalisa na 1948-49, a maimakon haka ya zama Mai ba da shawara ga Majalisar Wakilai. Willis ya kasance mai ba da shawara na House har zuwa lokacin da ya yi ritaya a shekarar 1969.