Marie was born about 1865 in Germany. She emigrated to the United States about 1890, settling in Pittsburgh, Pennsylvania. She worked as in domestic service for over 30 years first for Pauline Cooper Keys, then for the McCready family in Sewickley, Pennsylvania.
"United States Census, 1900," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MS1J-535 : accessed 26 May 2018), Louisa See in household of Henry A. Look, Precinct 4 Pittsburgh city Ward 8, Allegheny, Pennsylvania, United States; citing enumeration district (ED) 128, sheet 14B, family 299, NARA microfilm publication T623 (Washington, D.C.: National Archives and Records Administration, 1972.); FHL microfilm 1,241,358.
"United States Census, 1910," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MGWB-CS9 : accessed 26 May 2018), Marie Louise See in household of Charles W Cooper, Pittsburgh Ward 21, Allegheny, Pennsylvania, United States; citing enumeration district (ED) ED 569, sheet 6B, family 135, NARA microfilm publication T624 (Washington D.C.: National Archives and Records Administration, 1982), roll 1307; FHL microfilm 1,375,320.
"United States Census, 1930," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:XCC1-MDF : accessed 26 May 2018), Louise See in household of R J Mccready, Sewickley, Allegheny, Pennsylvania, United States; citing enumeration district (ED) ED 786, sheet 6B, line 61, family 148, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 1990; FHL microfilm 2,341,724.