Firm Lineage
Mitchell DeClerck has been in continuous existence for over 100 years
with our predecessor having been established in 1906 by the Percy C. Simons, Attorney General of Oklahoma
Territory. Simons first started practicing law in Oklahoma in 1893 in Pond Creek, Oklahoma when he made one of the Oklahoma Land Runs.
We are the oldest law firm in Enid, Oklahoma by nearly a century and also one of the oldest law firms in the state of Oklahoma. The history of our Firm and its membership follows:
1893-1904 Percy C. Simons & A. M. Mackey
1904-1906 Attorney General Percy C. Simons
1906-1914 Percy C. Simons
1915-1920 Parker & Simons (C. H. Parker Joins)
1921 Simons & McKnight (Lloyd E.
McKnight Joins)
1922-1926 Simons, McKnight & Simons (Robert W.
Simons Joins)
1927-1929 Simons, McKnight, Simons & Smith (?)
(Smith Joins)
1930 Simons, McKnight, Simons &
Mitchell (E.B. Mitchell, Sr. Joins)
1931-1944 Simons, McKnight, Simons, Mitchell, McKnight
(Lloyd W. McKnight Joins)
1945-1950 Simons, Simons, Mitchell & Hedrick
(V.L. Hedrick Joins)
1951-1954 Simons, Simons, Mitchell, Hedrick &
Munn (C.E. Munn Joins)
1955-1956 Simons, Simons, Mitchell, Hedrick &
Mitchell (E.B. Mitchell, Jr. Joins)
1957-1960 Simons, Mitchell, Hedrick & Mitchell
1961 Simons, Mitchell, Hedrick,
Mitchell & Neal (Joe P. Neal Joins)
1962 Simons, Mitchell, Mitchell
& Neal
1963-1965 Mitchell, Mitchell, DeClerck (Edward A.
DeClerck Joins)
1966-1969 Mitchell, Mitchell, DeClerck & Cox
(James R. Cox Joins)
1970-1976 Mitchell, Mitchell, DeClerck, Cox &
Halstead (Bill G. Halstead Joins)
1977 Mitchell, DeClerck, Cox,
Halstead & Lahman (Larry D. Lahman Joins)
1978-1980 Mitchell, DeClerck, Cox, Halstead,
Lahman & Shaw (E.W. “Bill” Shaw Joins)
1981-1982 Mitchell, DeClerck, Halstead, Lahman,
and Shaw
1983 Mitchell, DeClerck, Halstead,
Lahman, Shaw, and Martin (Gary D. Martin Joins)
1983-1985 Mitchell & DeClerck, P.C. (Becomes
Professional Corporation)
1985-1987 Mitchell & DeClerck, P.C. (Tim E.
DeClerck Joins)
1988-1996 Mitchell & DeClerck, P.C. (E. Bay
Mitchell, III Joins)
1996 Mitchell & DeClerck, P.L.L.C. (Becomes Professional LLC)
1997-2000 Mitchell & DeClerck, P.L.L.C. (P.
John Hodgden Joins)
2001-2002 Mitchell & DeClerck, P.L.L.C. (Forrest
Lynn Pepper DeVaughn Joins)
2003-2008 Mitchell & DeClerck, P.L.L.C. (Roger
L. Ediger Joins)
2009-Present Mitchell & DeClerck, P.L.L.C. (Carol
Lahman Joins)