Whakaotihia te rerenga e whai ake nei: I te tau 1918, i tono ia kia kowhiria ano ia hei Democrat ki te Kaunihera Ono tekau ma ono, a ka noho tonu ia hei Democrat i roto i nga pooti kaunihera e rima, kaore i tautohetia. Na ka mahi a Martin i te Kaunihera mai i te Maehe 4, 1915 tae noa ki tona matenga i Washington, D.C., i te Paenga-whāwhā 6, 1929. Ko ia he karere, e tohu ana i tona rohe congressional, ki te
Ko te Huihuinga ā-Motu o te Rōpū Kāwanatanga i te tau 1920 i San Francisco. He Episcopalian a Martin, he Freemason hoki.