Past Wardens
| Year | Name | Municipality |
|---|---|---|
| 2023 | Cathy Burghardt-Jesson | Lucan Biddulph |
| 2022 | Alison Warwick | Thames Centre |
| 2021 | Cathy Burghardt-Jesson | Lucan Biddulph |
| 2020 | Cathy Burghardt-Jesson | Lucan Biddulph |
| 2019 | Kurtis Smith | Adelaide Metcalfe |
| 2018 | Marigay Wilkins | Southwest Middlesex |
| 2017 | Don Shipway | North Middlesex |
| 2016 | Jim Maudsley | Thames Centre |
| 2015 | Vance Blackmore | Southwest Middlesex |
| 2014 | Joanne Vanderheyden | Strathroy-Caradoc |
| 2013 | Brad Richards | Strathroy-Caradoc |
| 2012 | Jim Maudsley | Thames Centre |
| 2011 | Joanne Vanderheyden | Strathroy-Caradoc |
| 2010 | Joanne Vanderheyden | Strathroy-Caradoc |
| 2009 | Jim Maudsley | Thames Centre |
| 2008 | Albert F. Bannister | Middlesex Centre |
| 2007 | Wesley Hodgson | North Middlesex |
| 2006 | Joanne Vanderheyden | Strathroy-Caradoc |
| 2005 | Tom McLaughlin | Lucan Biddulph |
| 2004 | Ian Brebner | North Middlesex |
| 2003 | Vance Blackmore | Southwest Middlesex |
| 2002 | Al Edmondson | Middlesex Centre |
| 2001 | Al Edmondson | Middlesex Centre |
| 2000 | Crispin Colvin | West Nissouri |
| 1999 | Mel Veale | Caradoc |
| 1998 | David McDonald | Glencoe |
| 1997 | Alan F. Marr | North Dorchester |
| 1996 | Alan F. Marr | North Dorchester |
| 1995 | Bev Shipley | Lobo |
| 1994 | Earl French | Biddulph |
| 1993 | Joel Blackmore | Ekfrid |
| 1992 | Frank Gare | Adelaide |
| 1991 | Ray Campbell | East Williams |
| 1990 | Alan Johnson | London Township |
| 1989 | Charles Corbett | McGillivray |
| 1988 | Richard Bolton | Metcalfe |
| 1987 | William R. Skinner | Caradoc |
| 1986 | Karl Nevin | Ekfrid |
| 1985 | Bill Lane | North Dorchester |
| 1984 | Doug Reycraft | Glencoe |
| 1983 | Garnet Romphf | Parkhill |
| 1982 | John Whitmore | Ailsa Craig |
| 1981 | Sam S. Richardson | Westminister |
| 1980 | Fred A. Lewis | London Township |
| 1979 | John F. McNamara | Delaware |
| 1978 | Aubrey L. McCallum | East Williams |
| 1977 | William L. Galbraith | Ekfrid |
| 1976 | Donald A. Nisbet | Wardsville |
| 1975 | William L. Grieve | North Dorchester |
| 1974 | Nelson Elliot | West Nissouri |
| 1973 | G. Wallace Laidlaw | Westminister |
| 1972 | Jack A. Baker | Delaware |
| 1971 | Wilson A. Hodgins | Biddulph |
| 1970 | Ronald M. Crawford | Ekfrid |
| 1969 | Raymond M. Lewis | Lobo |
| 1968 | J. Fraser Harris | East Williams |
| 1967 | Harry Ward | London Township |
| 1966 | Malcom Campbell | Caradoc |
| 1965 | Ivan Hearn | Lucan Biddulph |
| 1964 | Wilbur Johnson | West Nissouri |
| 1963 | Norman Hodgins | West Williams |
| 1962 | Morley Howe | Metcalfe |
| 1961 | Clarence Fonger | Delaware |
| 1960 | Hugh Lamb | Westminister |
| 1959 | Wilbert R. Pretty | Mosa |
| 1958 | John C. McAlpine | Ekfrid |
| 1957 | Fred L. Heaman | McGillivray |
| 1956 | Howard B. Elson | London Township |
| 1955 | Gordon R. MacDonald | Strathroy-Caradoc |
| 1954 | Freeman R. Dobbs | Biddulph |
| 1953 | Neil L. Olde | Caradoc |
| 1952 | Harold M. Corbett | Lucan Biddulph |
| 1951 | Hugh P. McEachen | West Williams |
| 1950 | Mungo Leitch | Mosa |
| 1949 | Harold Eastman | Adelaide |
| 1948 | Charles Cousins | Westminister |
| 1947 | Neil P. McGugan | Caradoc |
| 1946 | Clifton Davis | Wardsville |
| 1945 | J. Freeman Hodgins | McGillivray |
| 1944 | William J. Ford | Glencoe |
| 1943 | J. Douglas Hunt | North Dorchester |
| 1942 | Harold Currie | Adelaide |
| 1940 | Hugh D. McNaughton | Newbury |
| 1939 | Gordon E. Hicks | Lobo |
| 1939 | John A. Crawford | Caradoc |
| 1938 | Angus McGeachy | North Dorchester |
| 1937 | George B. Laidlaw | Westminister |
| 1936 | John A. Morrison | East Williams |
| 1935 | Capt. Harvey Langford | Lucan Biddulph |
| 1934 | Harold Marr | North Dorchester |
| 1933 | James Dymond | Metcalfe |
| 1932 | Courtney R. Carmichael | London Township |
| 1931 | W. Albert Sutherland | Parkhill |
| 1930 | George A. Parrott | Glencoe |
| 1929 | Wilbert H. McLeish | West Williams |
| 1928 | Alfred Comfort | Caradoc |
| 1927 | Allan L. McDougall | Caradoc |
| 1927 | Richard T. Raycraft | Biddulph |
| 1925 | Allen McPherson | Glencoe |
| 1924 | Cyrus C. Henry | Metcalfe |
| 1923 | William Ross | East Williams |
| 1922 | John Cousins | Westminister |
| 1921 | Alton H. Ryckman | Delaware |
| 1920 | Thomas Clark | London Township |
| 1919 | John Currie | Adelaide |
| 1918 | Donald D. Graham | Caradoc |
| 1917 | Archibald J. Blakie | Westminister |
| 1916 | Thomas G. Turnbull | Lobo |
| 1915 | John Morgan | Ailsa Craig |
| 1914 | Lachlan L. McTaggart | Ekfrid |
| 1913 | Adam K. Hodgins | Biddulph |
| 1912 | James T. Buttrey | Strathroy-Caradoc |
| 1911 | William D. Moss | Glencoe |
| 1910 | Daniel S. Campbell | Adelaide |
| 1909 | Samuel R. Gillies | Ailsa Craig |
| 1908 | Donald D. Graham | Mosa |
| 1907 | James H. Hodgins | London Township |
| 1906 | Neil A. Galbraith | Ekfrid |
| 1905 | Richard M. Piper | Westminister |
| 1904 | George W. Neely | North Dorchester |
| 1903 | John P. Grigg | Caradoc |
| 1902 | George B. Campbell | Ekfrid |
| 1901 | Trafford Campbell | East Williams |
| 1900 | James Murray | Westminister |
| 1899 | Henry Hardy | Caradoc |
| 1898 | Peter Elson | London Township |
| 1897 | Dougald Leitch | Caradoc |
| 1896 | William L. Corbett | McGillivray |
| 1895 | John A. Leitch | Glencoe |
| 1894 | William S. Calvert | Metcalfe |
| 1893 | Thomas Duffin | West Nissouri |
| 1892 | Charles C. Hodgins | Biddulph |
| 1891 | Thomas E. Robson | London Township |
| 1890 | William H. Taylor | McGillivray |
| 1889 | Robert Baston | Lobo |
| 1888 | Simon McLeod | West Williams |
| 1887 | Simon McLeod | West Williams |
| 1886 | Benjamin Watterworth | Mosa |
| 1885 | 1885 Malcolm McGugan | Caradoc |
| 1884 | William D. Stanley | Biddulph |
| 1883 | D. M. Cameron | Strathroy-Caradoc |
| 1882 | Joseph H. Marshall | London Township |
| 1881 | James Armstrong | Westminister |
| 1880 | John Morgan | Adelaide |
| 1879 | James Gilmour | North Dorchester |
| 1878 | Alexander McKellar | Lobo |
| 1877 | John Levi | East Williams |
| 1876 | James Armstrong | Westminister |
| 1875 | John Waters | East Williams |
| 1874 | Lionel Shipley | Lobo |
| 1873 | Malcolm G. Munro | Wardsville |
| 1871 | John Watterworth | Mosa |
| 1870 | Richard Tooley | North Dorchester |
| 1869 | Thomas Routledge | London Township |
| 1868 | Thomas Routledge | London Township |
| 1867 | Robert Dreaney | North Dorchester |
| 1866 | Malcolm Campbell | Ekfrid |
| 1865 | John H. Munro | Mosa |
| 1864 | Merrill S. Ayers | Westminister |
| 1863 | Christopher Coombs | London Township |
| 1862 | Archibald Campbell | Caradoc |
| 1861 | Archibald Campbell | Caradoc |
| 1860 | Archibald Campbell | Caradoc |
| 1859 | Benjamin Cook | Westminister |
| 1858 | Thomas Moyle | Metcalfe |
| 1857 | Robert Craik | North Dorchester |
| 1856 | Thomas Moyle | Metcalfe |
| 1855 | C.Halcroft Clench | Caradoc |
| 1854 | John Scatcherd | West Nissouri |
| 1853 | William Niles | North Dorchester |
| 1852 | William Niles | North Dorchester |
| 1851 | William Niles | North Dorchester |
| 1850 | William Niles | North Dorchester |