Helen "Nellye" E. Jeffers (b. Van Sickle) (1866-1919) was born in Ohio and died in East Stroudsburg, Pennsylvania. By 1870 she had moved with her family to Washington Township, Missouri, and by 1875 to Havana (now Montour Falls), New York. In 1887 she married Herbert C. Jeffers, head of the school book department of Scrantom, Wetmore & Co., an office supply, book, and stationary company, in Rochester, New York. They lived in Rochester until 1918 when he got a position teaching mathematics at the State Normal School in East Stroudsburg. Jeffers was an author and artist. She illustrated and published several poems, short verses, picture postcards, and children's books, the most well known being Googly-Goo and His Ten Merry Men, published in 1916. In 1887 Jeffers wrote to Mary Baker Eddy to order a copy of Science and Health with Key to the Scriptures. Jeffer's husband studied Christian Science with Sarah A. Pine, one of Mary Baker Eddy's students. He joined The First Church of Christ Scientist, in Boston, Massachusetts, on November 1, 1904, and was also a member of First Church of Christ, Scientist, Rochester, serving as its clerk in the early 1900s. He was a practitioner listed in The Christian Science Journal from 1924 until 1939.

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