Born 1894, Buffalo, New York, United States, died 1961.

Worked in Wilfrid Voynich's bookshop and was a long-term companion of Ethel Lilian Voynich, who left her the Voynich Manuscript. Nill eventually sold the document to Hans P Kraus

Two photographs of her can be found here [1]: other traces can be found on the Ellis Island website and Google Images etc.

More information can be found here [2] and here [3], and in other websites on the Voynichs and the manuscript.

Details of her will here [4].