Sophie Charlotte Ensko (1886-1954) never married and was a teacher at Public School 52 in Manhattan. (b. June 1886, Manhattan, New York City, New York County, New York, USA - d. January 09, 1954, Manhattan, New York City, New York County, New York, USA)
She was in the 1900 Census living at 244 Spring Street. In 1910 she was living at 62 Morton Street with her widowed mom. She appeared in the 1920 City Directory living at 450 West 152nd Street in Manhattan. In 1930 she was living at 552 West 171st Street.
She died in 1954 and her obituary appeared in the New York Times on January 11, 1954, on page 25. She was buried in the Hackensack Cemetery.
Sophie Charlotte Ensko (1886-1954) was the first cousin, three times removed of Richard Arthur Norton (1958- ).
Look up her funeral notice in the New York Times. Look for her birth certificate. Pay the $50 to get the cemetery transcript.