Tuhia he haere tonu mo tenei whitianga - I te tau 1917, i pootihia a Greenfield ki te nohoanga o te Kaunihera Whānui o Philadelphia, a, i mahi ia tae noa ki te 1920. I te timatanga he Republican, i hurihia e ia nga roopu me te taenga mai o te New Deal i te 1933 ka noho tonu hei kaitautoko Democrats tae noa ki tona matenga. I whai hononga tata ia ki nga Perehitini maha mai i a Herbert Hoover ki a Lyndon Johnson. I te tau 1951 i whai wāhi nui ia ki te hinga o te miihini Republican roa o Philadelphia. I a ia e tumuaki ana i te Komihana Whakamahere Taone o Philadelphia i raro i te Koromatua Richardson Dilworth (1956<unk>58), i whakatakotoria e ia te turanga mo te whanaketanga o Society Hill hei waahi motuhake o te akomanga o runga-waenganui ka taea te kukume i nga taone nui ki te taone nui. Nā tana mahi tōrangapū, i te tau 1948 i whakahaerehia e Pirihitia ngā whakataetae Riparepa
me ngā hui a te Pāti Manapori.