The Wellsville Fire Department is lead by Chief Michael “Barney” Dillie, 1st Assistant Chief Kevin Fleischman, and 2nd Assistant Chief Rod Winans.
| PAST CHIEFS, 1874 – Present | |||
| Year | Chief | 1st Assistant | 2nd Assistant |
| 1874 | |||
| 1875 | Harry Alger | ||
| 1876 | |||
| 1877 | |||
| 1878 | Dickerson Clark | ||
| 1879 | James Thornton | ||
| 1880 | Henry Schlick | ||
| 1881 | George King | ||
| 1882 | Dr. J.G. Wilson | ||
| 1883 | George Hare | ||
| 1884 | Harry W. Rhodes | ||
| 1885 | J.J. O’Connor | ||
| 1886 | George H. Witter | ||
| 1887 | |||
| 1888 | |||
| 1889 | |||
| 1900 | P.F. O’Connor | William H. Miller | T.H. Sweeney |
| 1901 | P.F. O’Connor | Forrest Welch | Fred C. Gallman |
| 1902 | P.F. O’Connor | Forrest Welch | Fred C. Gallman |
| 1903 | Ed Williams | Fred C. Gallman | Clem J. Fuhes |
| 1904 | Ed Williams | Fred C. Gallman | Clem J. Fuhes |
| 1905 | Clem J. Fuhes | Fred C. Gallman | Louis F. Miinte |
| 1906 | Clem J. Fuhes | Fred C. Gallman | Louis F. Miinte |
| 1907 | Clem J. Fuhes | C. H. Gallman | William Plain |
| 1908 | E.W. Coats | John Smith | Peter Petrie |
| 1909 | E.W. Coats | John Smith | Peter Petrie |
| 1910 | P.F. O’Connor | Louis F. Miinte | John W. Jones |
| 1911 | Louis F. Miinte | John W. Jones | C. Braunschweiger |
| 1912 | Louis F. Miinte | John W. Jones | C. Braunschweiger |
| 1913 | Louis F. Miinte | John W. Jones | C. Braunschweiger |
| 1914 | Louis F. Miinte | John W. Jones | M.W. Wright |
| 1915 | John W. Jones | M.E. Wright | Herman J. Gaus |
| 1916 | John W. Jones | M.E. Wright | Herman J. Gaus |
| 1917 | John W. Jones | M.E. Wright | Herman J. Gaus |
| 1918 | M.E. Wright | Herman J. Gaus | Charles Beadle |
| 1919 | M.E. Wright | Herman J. Gaus | Charles Beadle |
| 1920 | John W. Jones | C.B. Graves | DeForrest Burdick |
| 1921 | John W. Jones | C.B. Graves | DeForrest Burdick |
| 1922 | John W. Jones | C.B. Graves | Karl H. Buehring |
| 1923 | John W. Jones | C.B. Graves | Karl H. Buehring |
| 1924 | C.B. Graves | Karl H. Buehring | Wilfred Hathaway |
| 1925 | C.B. Graves | Karl H. Buehring | Wilfred Hathaway |
| 1926 | C.B. Graves | Karl H. Buehring | Wilfred Hathaway |
| 1927 | C.B. Graves | M.W. Davis | Leroy Weinman |
| 1928 | C.B. Graves | George D. Hallock | Gerald O’Connor |
| 1929 | C.B. Graves | George D. Hallock | Harry F. Roeder |
| 1930 | George D. Hallock | Harry F. Roeder | Thomas Harvey |
| 1931 | George D. Hallock | Harry F. Roeder | Thomas Harvey |
| 1932 | George D. Hallock | Harry F. Roeder | Thomas Harvey |
| 1933 | Harry F. Roeder | Thomas Harvey | Harry Feller |
| 1934 | Harry F. Roeder | Thomas Harvey | Harry Feller |
| 1935 | Thomas Harvey | Harry Feller | Fred Graves |
| 1936 | Thomas Harvey | Harry Feller | Fred Graves |
| 1937 | Thomas Harvey | Harry Feller | Fred Graves |
| 1938 | Harry Feller | Fred Graves | Ted Madden |
| 1939 | Harry Feller | Fred Graves | Ted Madden |
| 1940 | Fred Graves | Ted Madden | John Crowner |
| 1941 | Fred Graves | Ted Madden | John Crowner |
| 1942 | Ted Madden | John Crowner | Joseph Petrey |
| 1943 | Ted Madden | John Crowner | Joseph Petrey |
| 1944 | Ted Madden | John Crowner | Joseph Petrey |
| 1945 | John Crowner | Joseph Petrey | Charles Strucken |
| 1946 | John Crowner | Joseph Petrey | Charles Strucken |
| 1947 | Joseph Petrey | Charles Strucken | Ted Ebeling |
| 1948 | Joseph Petrey | Charles Strucken | Ted Ebeling |
| 1949 | Charles Strucken | Ted Ebeling | Russell Dye |
| 1950 | Charles Strucken | Ted Ebeling | Russell Dye |
| 1951 | Ted Ebeling | Russell Dye | Bernard Carlin |
| 1952 | Ted Ebeling | Russell Dye | Bernard Carlin |
| 1953 | Russell Dye | Paul Fleischman | James Searle |
| 1954 | Russell Dye | Paul Fleischman | James Searle |
| 1955 | Paul Fleischman | James Searle | Francis McCracken |
| 1956 | Paul Fleischman | James Searle | Francis McCracken |
| 1957 | James Searle | Francis McCracken | Robert G. Gardner |
| 1958 | James Searle | Francis McCracken | Robert G. Gardner |
| 1959 | Francis McCracken | Robert G. Gardner | Charles Hull |
| 1960 | Francis McCracken | Robert G. Gardner | Charles Hull |
| 1961 | Robert G. Gardner | Charles Hull | Robert Prescott |
| 1962 | Robert G. Gardner | Charles Hull | Robert Prescott |
| 1963 | Charles Hull | Robert Prescott | Robert F. Walsh |
| 1964 | Charles Hull | Robert Prescott | Robert F. Walsh |
| 1965 | Robert Prescott | Robert F. Walsh | Robert Erwin |
| 1966 | Robert Prescott | Robert F. Walsh | Robert Erwin |
| 1967 | Robert F. Walsh | Robert Erwin | Arthur L. Havens |
| 1968 | Robert F. Walsh | Robert Erwin | Arthur L. Havens |
| 1969 | Robert Erwin | Arthur L. Havens | Joseph Anderson |
| 1970 | Robert Erwin | Arthur L. Havens | Joseph Anderson |
| 1971 | Arthur L. Havens | Joseph Anderson | Gilbert Helmer |
| 1972 | Arthur L. Havens | Joseph Anderson | Gilbert Helmer |
| 1973 | Joseph Anderson | Gilbert Helmer | John J. Dean |
| 1974 | Joseph Anderson | Gilbert Helmer | John J. Dean |
| 1975 | Gilbert Helmer | John J. Dean | Robert H. McCracken |
| 1976 | Gilbert Helmer | John J. Dean | Robert H. McCracken |
| 1977 | John J. Dean | Robert H. McCracken | Duane Cornish |
| 1978 | John J. Dean | Robert H. McCracken | Duane Cornish |
| 1979 | Robert H. McCracken | Duane Cornish | Richard Fleischman |
| 1980 | Robert H. McCracken | Duane Cornish | Richard Fleischman |
| 1981 | Duane Cornish | Richard Fleischman | Richard Neely |
| 1982 | Duane Cornish | Richard Fleischman | Richard Neely |
| 1983 | Richard Fleischman | Richard Neely | Donald C. Aiken |
| 1984 | Richard Fleischman | Richard Neely | Donald C. Aiken |
| 1985 | Richard Neely | Donald C. Aiken | Watson S. Smith |
| 1986 | Richard Neely | Donald C. Aiken | Watson S. Smith |
| 1987 | Donald C. Aiken | Watson S. Smith | Norman Johnson |
| 1988 | Donald C. Aiken | Watson S. Smith | Norman Johnson |
| 1989 | Watson S. Smith | Norman Johnson | Richard T. Edwards |
| 1990 | Watson S. Smith | Norman Johnson | Richard T. Edwards |
| 1991 | Norman Johnson | Richard T. Edwards | James E. Meehan |
| 1992 | Richard T. Edwards | James E. Meehan | Thomas E. Slavin |
| 1993 | James E. Meehan | Thomas E. Slavin | Stanley Ingraham |
| 1994 | James E. Meehan | Thomas E. Slavin | Stanley Ingraham |
| 1995 | Thomas E. Slavin | Stanley Ingraham | Francis Hann |
| 1996 | Thomas E. Slavin | Stanley Ingraham | Francis Hann |
| 1997 | Stanley Ingraham | Francis Hann | William A. Cavanaugh |
| 1998 | Stanley Ingraham | Francis Hann | William A. Cavanaugh |
| 1999 | Francis Hann | William A. Cavanaugh | William T. Braun |
| 2000 | Francis Hann | William A. Cavanaugh | William T. Braun |
| 2001 | William A. Cavanaugh | William T. Braun | John G. Baldwin |
| 2002 | William A. Cavanaugh | William T. Braun | Jerome J. Hart |
| 2003 | David C. Sweet | Jerome J. Hart | David M. Pinney |
| 2004 | David C. Sweet | Jerome J. Hart | David M. Pinney |
| 2005 | Jerome J. Hart | David M. Pinney | Brent J. Cobin |
| 2006 | Jerome J. Hart | David M. Pinney | Brent J. Cobin |
| 2007 | David M. Pinney | Brent J. Cobin | John C. Fleischman |
| 2007 | David M. Pinney | Brent J. Cobin | John C. Fleischman |
| 2009 | Brent J. Cobin | John C. Fleischman | Brian J. Smith |
| 2010 | Brent J. Cobin | John C. Fleischman | Brian J. Smith |
| 2011 | John C. Fleischman | Brian J. Smith | Shaun A. Walsh |
| 2012 | John C. Fleischman | Brian J. Smith | Shaun A. Walsh |
| 2013 | Brian J. Smith | Shaun A. Walsh | Christopher M. Perkins |
| 2014 | Brian J. Smith | Shaun A. Walsh | Christopher M. Perkins |
| 2015 | Shaun A. Walsh | Christopher M. Perkins | Michael D. Dillie |
| 2016 | Shaun A. Walsh | Christopher M. Perkins | Michael D. Dillie |
| 2017 | Christopher M. Perkins | Michael D. Dillie | Kevin P. Fleischman |
| 2018 | William A. Cavanaugh | Michael D. Dillie | Kevin P. Fleischman |
| 2019 | Michael D. Dillie | Kevin P. Fleischman | Rodney Winans |
| 2020 | |||
| 2021 | |||