I had a lot of trouble deciphering Mary's last name. The transcription shown in the bottom of the page of the 1910 census on familysearch id Dudwick. That just doesnt look right. I used city directory, searched familysearch.org using many variations of the last name. Found Mary Frederick in another Elmira census - 1910 Ward 6, Enumeration District 22, sheet 10B, Line 71. The information matches this record. Could she have been counted in both families? It is quite possible that she was newly employed at age 15, and had lived elsewhere.
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