


1930
Listed separately in a U.S. Census for the first time, Lewisville has a population of 853 people.
Lake Dallas freezes over with a sheet of ice covering the entire lake surface and measuring three inches thick on the south end near the dam. One lake visitor drives a Studebaker onto the ice, losing the vehicle when it broke through and sank.
1931
State Rep. Fred H. Minor of Lewisville is elected Speaker of the Texas House. He served as Speaker for one session. He died in 1976 and is buried in Roselawn Memorial Park in Denton.
Hotel manager William H. Prague elected as mayor.
Construction begins on the Denton-Dallas Highway, later named U.S. Highway 77. The city’s first known traffic fatality is reported that year on the new highway.
1932
Arthur Hayes appointed as mayor; elected to the office in 1933.


1934
Members of the Barrow Gang (minus its famous leaders, Bonnie & Clyde, who had visited town earlier in the year) rob the First National Bank of Lewisville.





1940
Lewisville’s population is 873 people.
1941
M.H. “Horace” Milliken elected as mayor.
1942
The city’s first traffic signal is installed, at the corner of Main Street and Federal Highway 77 (Mill Street). The signal is operated between the hours of 8 a.m. and 8 p.m. by an employee of Huffines Motor Company.
1946
A man robs Lewisville State Bank on Mill Street and flees on foot past Lewisville High School, where he is pursued by members of the Farmers football team. He is captured minutes later, and the stolen money is recovered. The Farmers won the district title that year with a 10-2 record.


1948
Construction begins on Lewisville Dam.
1949
Conrad E. Durve elected as mayor.
1950
Lewisville’s population is 1,516 people.
1951
Main Street and Church Street are paved for the first time. Several other downtown streets quickly followed.
1953
F.C. Connor elected as mayor.
1954
Lewisville Dam is completed, expanding the Garza-Little Elm Reservoir into Lewisville Lake, covering 29,592 acres of surface area and reaching a maximum depth of 67 feet.


1955
Congress passes a bill authored by Rep. Frank Ikard that officially assigns the name “Lewisville Dam,” although the Corps of Engineers does not change the name of the lake until 1971.

1956
Lewisville City Hall and a Post Office (a single building, since removed) are built on the corner of Charles and Church streets.
1957
T.W. Beasley elected as mayor.
1958
F.C. Connor elected as mayor.