looks like ONY to me via Ancestry

I also checked Family search 1880 census
Household:

Name Relation Marital Status Gender Race Age Birthplace Occupation Father's Birthplace Mother's Birthplace
Peter CUNNINGHAM Self M Male B 53 NC Farm Laborer NC NC
Ony CUNNINGHAM Wife M Female MU 54 VA Keeping House VA VA
Millie CUNNINGHAM Dau S Female MU 20 NC Laborer NC VA
Smith CUNNINGHAM Son S Male MU 18 NC Laborer NC VA

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