Polly was born in the Michigan Territory in 1828. Her parents were Washington Stanley and Lydia H. Barton. She passed away in 1889.
"United States Census, 1850," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MF82-3X8 : 4 April 2020), Polly Robinson in household of A N Robinson, Troy, Oakland, Michigan, United States; citing family 222, NARA microfilm publication M432 (Washington, D.C.: National Archives and Records Administration, n.d.).
"United States Census, 1880," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MW3Q-QXH : 22 August 2017), Polly Robinson, Birmingham, Oakland, Michigan, United States; citing enumeration district ED 249, sheet 47D, NARA microfilm publication T9 (Washington, D.C.: National Archives and Records Administration, n.d.), FHL microfilm 1,254,598.