Total number of legislators: 82
Results list for legislators with the followong criteria:
Last name beginning with: O
Last name beginning with: O
| Name | Date of Birth | Number of Sessions Served | Session Years |
|---|---|---|---|
| Oakes, Stacy Erwin | 05/19/1973 | 2 |
2011 - 2012 (House) 2013 - 2014 (House) |
| Oakley, Marshall A. | 07/10/1878 | 2 |
1913 - 1914 (House) 1915 - 1916 (House) |
| Oates, William Richard | 07/16/1878 | 1 | 1909 - 1910 (House) |
| OBeirne, Nelson M. | 11/30/1869 | 2 |
1923 - 1924 (House) 1925 - 1926 (House) |
| Oberdorffer, William J. | 03/18/1855 | 3 |
1897 - 1898 (House) 1899 - 1900 (House) 1925 - 1926 (House) |
| OBrien, Bernard FrancisJr. | 11/11/1934 | 1 | 1965 - 1966 (Senate) |
| OBrien, Bernard FrancisSr. | 08/15/1904 | 1 | 1945 - 1946 (House) |
| OBrien, Carl W. | 04/01/1930 | 1 | 1965 - 1966 (Senate) |
| OBrien, E[verette] D[ayle] | 06/04/1920 | 8 |
1957 - 1958 (House) 1959 - 1960 (House) 1961 - 1962 (House) 1963 - 1964 (House) 1965 - 1966 (House) 1967 - 1968 (House) 1969 - 1970 (House) 1971 - 1972 (House) |
| OBrien, Frank J. | 02/13/1915 | 5 |
1955 - 1956 (House) 1957 - 1958 (House) 1959 - 1960 (House) 1961 - 1962 (House) 1963 - 1964 (House) |
| OBrien, Margaret | 11/20/1973 | 4 |
2011 - 2012 (House) 2013 - 2014 (House) 2015 - 2016 (Senate) 2017 - 2018 (Senate) |
| OBrien, Michael J. | 07/30/1907 | 16 |
1941 - 1942 (House) 1943 - 1944 (House) 1945 - 1946 (House) 1949 - 1950 (House) 1951 - 1952 (House) 1953 - 1954 (House) 1955 - 1956 (House) 1957 - 1958 (House) 1959 - 1960 (House) 1961 - 1962 (House) 1963 - 1964 (House) 1965 - 1966 (Senate) 1967 - 1968 (Senate) 1969 - 1970 (Senate) 1971 - 1972 (Senate) 1973 - 1974 (Senate) |
| OBrien, Michael J. | 09/05/1942 | 12 |
1975 - 1976 (Senate) 1977 - 1978 (Senate) 1979 - 1980 (Senate) 1981 - 1982 (Senate) 1983 - 1984 (Senate) 1985 - 1986 (Senate) 1987 - 1988 (Senate) 1989 - 1990 (Senate) 1991 - 1992 (Senate) 1993 - 1994 (Senate) 1995 - 1996 (Senate) 1997 - 1998 (Senate) |
| OBrien, Patrick | 03/09/1858 | 5 |
1915 - 1916 (House) 1917 - 1918 (House) 1919 - 1920 (House) 1921 - 1922 (House) 1923 - 1924 (House) |
| OBrien, Thomas Cornelius | 11/26/1879 | 3 |
1945 - 1946 (House) 1949 - 1950 (House) 1951 - 1952 (House) |
| OBrien, Warren | 10/24/1922 | 1 | 1973 - 1974 (House) |
| OCallahan, Jeremiah | 01/01/1823 | 1 | 1853 - 1854 (House) |
| Ocobock, Horace N. | 02/17/1832 | 1 | 1875 - 1876 (House) |
| OConnell, Philip | 09/30/1871 | 4 |
1923 - 1924 (House) 1925 - 1926 (House) 1927 - 1928 (Senate) 1929 - 1930 (Senate) |
| OConnor, Joseph Garrett | 05/21/1904 | 7 |
1949 - 1950 (House) 1951 - 1952 (House) 1953 - 1954 (House) 1955 - 1956 (House) 1957 - 1958 (House) 1959 - 1960 (House) 1961 - 1962 (House) |
| OConnor, Margaret | 03/16/1927 | 5 |
1983 - 1984 (House) 1985 - 1986 (House) 1987 - 1988 (House) 1989 - 1990 (House) 1991 - 1992 (House) |
| Odell, Arthur U. | 06/09/1868 | 10 |
1911 - 1912 (House) 1913 - 1914 (House) 1923 - 1924 (House) 1925 - 1926 (House) 1927 - 1928 (House) 1933 - 1934 (House) 1935 - 1936 (House) 1937 - 1938 (House) 1939 - 1940 (House) 1941 - 1942 (House) |
| ODell, James | 07/20/1779 | 2 |
1835 - 1836 (House) 1838 - 1838 (House) |
| ODell, Samuel | 08/30/1881 | 4 |
1909 - 1910 (House) 1911 - 1912 (House) 1913 - 1914 (Senate) 1915 - 1916 (Senate) |
| ODell, Thomas | 06/30/1831 | 1 | 1873 - 1874 (House) |
| ODett, Lewis | 04/29/1843 | 1 | 1897 - 1898 (House) |
| OFlynn, Cornelius | 03/10/1810 | 1 | 1857 - 1858 (House) |
| Ogg, Robert Y. | 07/22/1860 | 5 |
1887 - 1888 (House) 1909 - 1910 (House) 1911 - 1912 (House) 1913 - 1914 (Senate) 1915 - 1916 (Senate) |
| Ogonowski, Casmer P. | 03/04/1923 | 7 |
1969 - 1970 (House) 1971 - 1972 (House) 1973 - 1974 (House) 1975 - 1976 (House) 1977 - 1978 (House) 1979 - 1980 (House) 1981 - 1982 (House) |
| OGrady, James | 12/18/1822 | 1 | 1865 - 1866 (House) |
| OKeefe, George A. | 01/01/1792 | 1 | 1843 - 1843 (House) |
| OKeefe, Richard D. | 03/19/1855 | 3 |
1885 - 1886 (House) 1887 - 1888 (House) 1889 - 1890 (House) |
| Olds, Martin | 03/14/1899 | 1 | 1843 - 1843 (House) |
| Olin, Charles | 03/04/1802 | 1 | 1841 - 1841 (House) |
| Oliver, John Freeman | 10/02/1820 | 2 |
1879 - 1880 (House) 1881 - 1882 (House) |
| Olmsted, Clifford George | 05/20/1879 | 4 |
1915 - 1916 (House) 1917 - 1918 (House) 1919 - 1920 (House) 1921 - 1922 (House) |
| Olsen, Fred O. | 01/20/1891 | 5 |
1955 - 1956 (House) 1957 - 1958 (House) 1959 - 1960 (House) 1961 - 1962 (House) 1963 - 1964 (House) |
| Olshove, Dennis G. | 01/18/1950 | 8 |
1991 - 1992 (House) 1993 - 1994 (House) 1995 - 1996 (House) 1997 - 1998 (House) 2003 - 2004 (Senate) 2005 - 2006 (Senate) 2007 - 2008 (Senate) 2009 - 2010 (Senate) |
| Olson, Rick | 11/18/1949 | 1 | 2011 - 2012 (House) |
| Olumba, John | 07/12/1981 | 2 |
2011 - 2012 (House) 2013 - 2014 (House) |
| OMalley, Charles M. | 01/01/1800 | 3 |
1846 - 1846 (House) 1847 - 1847 (House) 1849 - 1849 (House) |
| OMalley, Jack | 2 |
2019 - 2020 (House) 2021 - 2022 (House) |
|
| OMalley, Patrick James | 07/27/1904 | 1 | 1949 - 1950 (House) |
| ONeal, Amos | 07/17/1961 | 2 |
2021 - 2022 (House) 2023 - 2024 (House) |
| ONeil, William J. | 08/07/1951 | 3 |
1999 - 2000 (House) 2001 - 2002 (House) 2003 - 2004 (House) |
| ONeill, James E.Jr. | 05/26/1929 | 14 |
1967 - 1968 (House) 1969 - 1970 (House) 1971 - 1972 (House) 1973 - 1974 (House) 1975 - 1976 (House) 1977 - 1978 (House) 1979 - 1980 (House) 1981 - 1982 (House) 1983 - 1984 (House) 1985 - 1986 (House) 1987 - 1988 (House) 1989 - 1990 (House) 1991 - 1992 (House) 1993 - 1994 (House) |
| ONeill, Lawrence | 07/11/1881 | 1 | 1933 - 1934 (House) |
| Oppenborn, Christian Augustus | 01/31/1873 | 1 | 1911 - 1912 (House) |
| Opsommer, Paul | 10/31/1952 | 3 |
2007 - 2008 (House) 2009 - 2010 (House) 2011 - 2012 (House) |
| Ord, Placidus | 12/25/1821 | 1 | 1846 - 1846 (House) |
| OReilly, Bernard | 05/20/1832 | 1 | 1887 - 1888 (Senate) |
| Ormsbee, Ira G. | 05/23/1844 | 1 | 1909 - 1910 (House) |
| Ormsbee, William B. | 4 |
1915 - 1916 (House) 1917 - 1918 (House) 1923 - 1924 (House) 1925 - 1926 (House) |
|
| Ormsby, Caleb Noble | 08/19/1801 | 1 | 1839 - 1839 (House) |
| Orr, Herbert Pritcgard | 09/16/1882 | 2 |
1931 - 1932 (Senate) 1933 - 1934 (Senate) |
| Orr, W. Reed | 06/03/1910 | 2 |
1951 - 1952 (House) 1953 - 1954 (House) |
| Orth, George | 08/17/1844 | 1 | 1891 - 1892 (House) |
| Osborn, Donald C. | 03/26/1879 | 2 |
1921 - 1922 (Senate) 1923 - 1924 (Senate) |
| Osborn, Frank A. | 12/21/1852 | 2 |
1901 - 1902 (House) 1903 - 1904 (House) |
| Osborn, George W. | 08/30/1827 | 1 | 1891 - 1892 (House) |
| Osborn, Henry Alfred | 02/06/1858 | 8 |
1921 - 1922 (House) 1923 - 1924 (House) 1925 - 1926 (House) 1927 - 1928 (House) 1929 - 1930 (House) 1931 - 1932 (House) 1933 - 1934 (House) 1935 - 1936 (House) |
| Osborn, John M | 03/09/1819 | 3 |
1869 - 1870 (House) 1871 - 1872 (House) 1875 - 1876 (Senate) |
| Osborn, William H. | 10/29/1814 | 2 |
1865 - 1866 (House) 1867 - 1868 (House) |
| Osburn, Charles Y. | 01/01/1842 | 1 | 1871 - 1872 (House) |
| Osburn, Leander D. | 12/27/1825 | 1 | 1867 - 1868 (House) |
| Osburn, Reuben Howard | 06/27/1823 | 1 | 1877 - 1878 (Senate) |
| Ostling, Ralph A. | 07/03/1927 | 10 |
1973 - 1974 (House) 1975 - 1976 (House) 1977 - 1978 (House) 1979 - 1980 (House) 1981 - 1982 (House) 1983 - 1984 (House) 1985 - 1986 (House) 1987 - 1988 (House) 1989 - 1990 (House) 1991 - 1992 (House) |
| Otis, Asa H. | 03/24/1797 | 1 | 1850 - 1850 (House) |
| Otis, Lauren Ford | 09/10/1842 | 2 |
1895 - 1896 (House) 1897 - 1898 (House) |
| Otterbacher, John R. | 11/23/1942 | 4 |
1973 - 1974 (House) 1975 - 1976 (Senate) 1977 - 1978 (Senate) 1981 - 1982 (House) |
| Ouimet, Mark | 04/22/1949 | 1 | 2011 - 2012 (House) |
| Outman, Pat | 04/20/1992 | 2 |
2021 - 2022 (House) 2023 - 2024 (House) |
| Outman, Rick | 12/15/1963 | 7 |
2011 - 2012 (House) 2013 - 2014 (House) 2015 - 2016 (House) 2019 - 2020 (Senate) 2021 - 2022 (Senate) 2023 - 2024 (Senate) 2025 - 2026 (Senate) |
| Ouwinga, Sidney | 08/24/1927 | 5 |
1983 - 1984 (House) 1985 - 1986 (House) 1987 - 1988 (House) 1989 - 1990 (House) 1991 - 1992 (House) |
| Oviatt, Daniel Barber | 03/05/1847 | 2 |
1903 - 1904 (House) 1905 - 1906 (House) |
| Oviatt, George W. B. | 03/12/1849 | 2 |
1885 - 1886 (House) 1887 - 1888 (House) |
| Owen, Gary Mack | 09/09/1944 | 8 |
1973 - 1974 (House) 1975 - 1976 (House) 1977 - 1978 (House) 1979 - 1980 (House) 1981 - 1982 (House) 1983 - 1984 (House) 1985 - 1986 (House) 1987 - 1988 (House) |
| Owen, John E | 1 | 1929 - 1930 (House) | |
| Owen, John G. | 03/28/1824 | 1 | 1861 - 1862 (Senate) |
| Owen, Lynn F. | 02/22/1946 | 8 |
1983 - 1984 (House) 1985 - 1986 (House) 1987 - 1988 (House) 1989 - 1990 (House) 1991 - 1992 (House) 1993 - 1994 (House) 1995 - 1996 (House) 1997 - 1998 (House) |
| Owen, Tubal C. | 03/24/1819 | 1 | 1869 - 1870 (House) |
| Oxender, Glenn S. | 08/08/1943 | 8 |
1983 - 1984 (House) 1985 - 1986 (House) 1987 - 1988 (House) 1989 - 1990 (House) 1991 - 1992 (House) 1993 - 1994 (House) 1995 - 1996 (House) 1997 - 1998 (House) |