Kammala jumla mai zuwa: Ta koma Ingila bayan shekaru hudu a Italiya da Afirka ta Kudu, kuma an nuna aikinta kuma an karbe ta da kyau a baje kolin Royal Academy of Arts. Bayan ta koma Amurka tare da mijinta, Nicholls ta nuna ayyukanta a Society of American Artists. Ta nuna aikinta a Fadar Fine Arts da
Ginin Mata a 1893 World's Columbian Exposition a Birnin Chicago, Illinois. Ta sami lambobin yabo a Turai da Amurka, gami da bikin baje kolin duniya na Chicago, lambar azurfa a Boston a 1885 don "Venetian Sunlight", da lambar zinare a Ƙungiyar Fasaha ta Amurka ta New York don "Waɗannan Bells na yamma". Baya ga bikin baje kolin duniya na Chicago, Nicholls ya lashe lambobin yabo a nune-nunen da yawa tsakanin 1893 da 1904. Ta fi son yin aiki a cikin mai kuma ta sami mafi girman girmamawa ga zane-zanen mai. Bayan da ta zauna a birnin na tsawon shekaru takwas, an bayyana ta a matsayin "ɗaya daga cikin sanannun masu zane-zane na New York".