Addie M. Allen (b. Blodgett) (1850-1940) was born in Amesbury, Massachusetts, and died in Hadley, Massachusetts. In the late 1860s she attended Dean Academy in Franklin, Massachusetts. In 1870 she married Henry C. Allen, a carpenter and builder, in Boston, Massachusetts. She was his second wife, and they settled in Boston. Their daughter, Hattie M. Gardner (b. Allen), married Frank H. Leonard in Boston in 1887. He was the son of Pamelia J. Leonard (d. 1908) who was a student of Mary Baker Eddy. They divorced sometime prior to 1897. Allen and her husband applied to take Eddy's Primary class in 1886, both listing Pamelia J. Leonard as a reference. Allen took the class in January 1887, but it does not appear that her husband ever did. She joined the Christian Scientist Association in February 1887. Sometime between her husband's death in 1905 and 1920, she went to live with her daughter's family in Easthampton, Massachusetts. Together they moved to Riverside, New Jersey, by 1930, and finally to Hadley, Massachusetts, by 1940.

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