She was also an untiring worker in the Woman's Foreign Missionary Society, its first recording secretary, and for years, president of the New England Branch.
John was a leading citizen of Wilbraham and of Hampden County, occupying many important public positions, both civil and ecclesiastical.
At the time of marriage, he was professor of the Missions-Anstalt at Bremen, Germany, under the direction of the Missionary Society of the Methodist Episcopal Church.
While there, she pursued advanced studies in history, literature, languages, art and music, and became adept in French, German, and Italian.
But the result proved to be a financial success, for in 30 years it not only paid its own expenses, but contributed over US$30,000 for the publication and scattering of leaflets and other missionary literature.