Anna was born in 1866. She married Sears in 1890 and is shown as widowed on the 1910 census. She married George M Frankenfield (the son of Charles Frankenfield) on 10 Oct 1910 in Pipestone, Minnesota. She is found in 1940 living with her son's family (he has no profile...).
Sources
"United States Census, 1880," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/MZ98-99J : accessed 15 Oct 2012), Anne Yohe in household of Lorenz Yohe, Crooked Creek, Houston, Minnesota, United States; citing sheet 278C, family 6, NARA microfilm publication T9-0623.
Lorenz Yohe M 55 Germany
wife Sophia Yohe F 50 Germany
son Francis Yohe M 28 New York, United States
son Lewis Yohe M 20 Wisconsin, United States
daughter Sophia Yohe F 18 Wisconsin, United States
son Lorenz Yohe M 15 Wisconsin, United States
daughter Anne Yohe F 14 Wisconsin, United States
daughter Elizabeth Yohe F 12 Wisconsin, United States
son Stephen Yohe M 5 Wisconsin, United States
daughter Clara Yohe F 2 Minnesota, United Stat
1910 Census:
name: Anna Sears
birthplace: Wisconsin
relationship to head of household: Self
residence: Pipestone Ward 1, Pipestone, Minnesota
marital status: Widowed
race : White
gender: Female
immigration year:
father's birthplace: Germany
mother's birthplace: Germany
family number: 132
page number: 6
Household Gender Age Birthplace
self Anna Sears F 44y Wisconsin
son Joseph W Sears M 14y Wisconsin
dau Luella Sears F 12y Wisconsin
"United States Census, 1920," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MWBG-YS4 : accessed 21 June 2020), Anne Frankenfield in household of George M Frankenfield, Osborne, Pipestone, Minnesota, United States; citing ED 175, sheet 8A, line 30, family 151, NARA microfilm publication T625 (Washington D.C.: National Archives and Records Administration, 1992), roll 850; FHL microfilm 1,820,850.
"United States Census, 1940," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:KQPV-CTQ : 18 December 2019), Anna Frankenfield in household of Joseph Sears, Norwood, Potsdam Town, St. Lawrence, New York, United States; citing enumeration district (ED) 45-100, sheet 10A, line 25, family 192, 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 2770.
"Minnesota Deaths and Burials, 1835-1990", database, FamilySearch (https://familysearch.org/ark:/61903/1:1:FD6W-ZM2 : 16 January 2020), Ann Frankenfield in entry for George Martin Frankenfield, 1929.