Eliza Smith Clark x1890 (Mrs. William Bates Greenough)
Address in 1937: 203 Blackstone Blvd, Providence RI
teacher 1891-1893 Mount Holyoke College
Married 1893; husband was a lawyer
Children:
Bertha Clark born 1895
William Bates Jr. born 1899
Jane Ashley born 1904
Mother was Harriet K. Richards Williston x1847
Sister was Emily Williston Clark x1878
Sister was Mary R Clark x1886
Sister was Edith Williston Clark x1891
So the key in identifying this author was that she wrote to her future husband.
Source
All information from One Hundred Year Biographical Directory of Mount Holyoke College 1837-1937, Bulletin Series 30, no. 5; published and compiled by the Alumnae Association of Mount Holyoke College, South Hadley, Massachusetts