oʊhˈɑːɹɹə sˈɜːvd æz ɐn ɐtˈɜːni fɔːɹ vˈɛɹiəs vˈɪlɪdʒᵻz, sˈɪɾiz, tˈaʊnz, ænd skˈuːl dˈɪstɹɪkts, æz wˈɛl æz kˈaʊnti ɐtˈɜːni ʌv mək lˈaʊd kˈaʊnti nˈaɪntiːnhˈʌndɹɪd θˈɜːɾi fˈoːɹ nˈaɪntiːnhˈʌndɹɪd θˈɜːɾi ˈeɪt.
O'Hara served as an attorney for various villages, cities, towns, and school districts, as well as county attorney of McLeod County (1934 – 1938).