Theresia moved to Minnesota, where she married Leopold J. Dittrich, who was also from Austria. They had children, Bernard in 1905, Leo M. in 1907, Mildred in 1909, and Katherine Theresia in 1911. By 1940, Theresia was living with her husband in St. Paul, Minnesota. She died on 19 March 1975 in Minnesota.
"United States Census, 1940," database with images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/KSLC-ZPM : accessed 18 December 2016), Theresa Dittrich in household of Leopold Dittrich, Ward 8, St. Paul, St. Paul City, Ramsey, Minnesota, United States; citing enumeration district (ED) 90-171, sheet 14B, line 59, family 277, Sixteenth Census of the United States, 1940, NARA digital publication T627. Records of the Bureau of the Census, 1790 - 2007, RG 29. Washington, D.C.: National Archives and Records Administration, 2012, roll 1999.