Ka cika wannan magana: Daga shekara ta 1913 zuwa 1926, iyalin Williamson sun zauna a Berkeley da kewaye da East Bay. A shekara ta 1914, suna da gida na biyu a Carmel, California kuma a wannan shekarar jaridar The New York Times ta kira Williamson daya daga cikin 'yan' yan wasan kwaikwayo na Carmel. An nuna aikinta na buga takardu a shekarar 1915
Panama-Pacific International Exhibition (PPIE) a cikin Sashin Amurka, wanda San Francisco Art Association ya tallafawa.