Israel's Missionary Society of San Francisco, founded circa 1910, was a women' s organization consisting of local Christian women interested in performing missionary work in the local Jewish population. The organization was founded by Jeanette Gedalius, who is described in the 1910 Annual Report of the American Bible Society as a "converted, consecrated Jewish worker" (175). Gedalius was born in Prussia, converted to Christianity at an early age, and immigrated to the United States. She worked as a missionary among the Jews in New York for 12 years and in San Francisco for 5 years.
A 1912 annual report of Israel's Missionary Society of San Francisco, California, a Christian organization dedicated to proselytizing among the Jewish people of San Francisco. The president of the organization is listed as Mrs. M.A. Todd and Jeanette Gedalius is listed as "missionary to Israel."