The name looks like Ira O in the 1880 census; the child is listed as a daughter and female.
"United States Census, 1880," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M8GT-T27 : 11 August 2017), Mary Parker in household of James Parker, District 80, Screven, Georgia, United States; citing enumeration district ED 85, sheet 220D, NARA microfilm publication T9 (Washington D.C.: National Archives and Records Administration, n.d.), roll 0164; FHL microfilm 1,254,164.
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