Elizabeth Lavinia Foss Wilson was born on May 23, 1873 in Illinois to Agnes Elizabeth McLean Foss and Martin Henry Foss, a grain-broker for the Chicago Board of Trade. She completed two years of high school. She met Thomas Edward Wilson at a supper at the First Presbyterian Church of Chicago. They married on November 1, 1899, and together had two children. Elizabeth was a homemaker and active in women's clubs. She frequently entertained guests and invited lecturers to Edellyn Farms. Elizabeth Foss Wilson died on October 29, 1967.