The Georgetown street renaming occurred as a result of an 1895 act of the United States Congress

United States Congress

The United States Congress is the bicameral legislature of the federal government of the United States, consisting of the Senate and the House of Representatives. The Congress meets in the United States Capitol in Washington, D.C....

 that ended even the nominal independence of Georgetown

Georgetown, Washington, D.C.

Georgetown is a neighborhood located in northwest Washington, D.C., situated along the Potomac River. Founded in 1751, the port of Georgetown predated the establishment of the federal district and the City of Washington by 40 years...

 from Washington, D.C.

Washington, D.C.

Washington, D.C., formally the District of Columbia and commonly referred to as Washington, "the District", or simply D.C., is the capital of the United States. On July 16, 1790, the United States Congress approved the creation of a permanent national capital as permitted by the U.S. Constitution....

  The Act required, inter alia, that the street name

Street name

A street name or odonym is an identifying name given to a street. The street name usually forms part of the address...

s in Georgetown be changed to conform to the street naming system in use in the Northwest quadrant of Washington, D.C. However, the old street names were shown on maps as late as 1899.

The lists below set forth the old and new names of Georgetown's streets. Because most east-west streets are not continuous across Wisconsin Avenue

Wisconsin Avenue (Washington, D.C.)

Wisconsin Avenue is a major thoroughfare in Washington, D.C., and its Maryland suburbs. It starts in Georgetown just north of the Potomac River, at an intersection with K Street under the Whitehurst Freeway...

, separate lists are provided for those east-west streets that are north of M Street

M Street (Washington, D.C.)

The name "M Street" refers to two major roads in the United States capital of Washington, D.C. Because of the Cartesian-coordinate-based street-naming system in Washington, the name M Street can be used to refer to any east-west street located twelve blocks north or south of the dome of the United...

 and either east or west of Wisconsin Avenue.

North-south streets, east to west

Old name	New name
North Street	26th Street
Monroe Street	27th Street
Montgomery Street	28th Street
Greene Street	29th Street
Washington Street	30th Street
Jefferson Street	Thomas Jefferson Street
Congress Street	31st Street
Valley Street	32nd Street
High Street	Wisconsin Avenue Wisconsin Avenue (Washington, D.C.) Wisconsin Avenue is a major thoroughfare in Washington, D.C., and its Maryland suburbs. It starts in Georgetown just north of the Potomac River, at an intersection with K Street under the Whitehurst Freeway...
Potomac Street	not renamed
Market Street	33rd Street
Frederick Street	34th Street
Fayette Street	35th Street
Lingan Street	36th Street
Warren Street	37th Street

M Street and south

Old name	New name
Water Street	K Street K Street (Washington, D.C.) K Street is a major thoroughfare in the United States capital of Washington, D.C. known as a center for numerous think tanks, lobbyists, and advocacy groups.-Location:...  east of 33rd Street; west of 33rd Street, the United States Postal Service United States Postal Service The United States Postal Service is an independent agency of the United States government responsible for providing postal service in the United States...  recognizes both street names in addresses Address (geography) An address is a collection of information, presented in a mostly fixed format, used for describing the location of a building, apartment, or other structure or a plot of land, generally using political boundaries and street names as references, along with other identifiers such as house or... .
Grace Street	not renamed
Bridge Street	M Street M Street (Washington, D.C.) The name "M Street" refers to two major roads in the United States capital of Washington, D.C. Because of the Cartesian-coordinate-based street-naming system in Washington, the name M Street can be used to refer to any east-west street located twelve blocks north or south of the dome of the United...

North of M Street

Old name, east of Wisconsin Avenue	Old name, west of Wisconsin Avenue	New name
Olive Street	Prospect Street	not renamed
Gay Street	First Street	N Street
Dunbarton Street	—	spelling changed slightly to Dumbarton Street
Beall Street	Second Street	O Street
West Street	Third Street	P Street
—	Fourth Street	Volta Place
Stoddert (or Stoddard) Street	Fifth Street	Q Street
—	Sixth Street	Dent Place
—	Seventh Street	Reservoir Road
Road Street	Eighth Street	R Street