Her parents were likely John Vincent and Louise Anthony from France.
"California, San Francisco Area Funeral Home Records, 1835-1979," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:JNKC-5H7 : 28 November 2014), Rosalie Kuntz, 23 Dec 1907; citing funeral home H. F. Suhr & Co., San Francisco, San Francisco, California, record book Vol. 03, p. 1601-1971, 1906-1907, San Francisco Public Library, San Francisco History and Archive Center.
1900 Census:
"United States Census, 1900," database with images, FamilySearch(https://familysearch.org/ark:/61903/1:1:M9G1-Q72 : accessed 15 August 2017), Rosalie Kuntz in household of Prilly Kuntz, Precinct 5 San Francisco city Ward 36, San Francisco, California, United States; citing enumeration district (ED) 125, sheet B, family 13, NARA microfilm publication T623 (Washington, D.C.: National Archives and Records Administration, 1972.); FHL microfilm 1,240,103.
And possible passenger list. If correct, her husband likely came before her and she was traveling with (possibly) her mother in law:
"New York Passenger Lists, 1820-1891," database with images, FamilySearch(https://familysearch.org/ark:/61903/1:1:QVPF-2LZV : 15 April 2015), Rosalie Kuntz, 1887; citing NARA microfilm publication M237 (Washington, D.C.: National Archives and Records Administration, n.d.); FHL microfilm .