Street Naming Origins in Los Angeles County, Cal.

The origin for street names is a frequent theme in Los Angeles Revisited.  Here is a running index:

Streets & Alleyways in the City of Los Angeles

Alvarado Street

Bauchet Street

Cameron Lane

Cesar E. Chavez Avenue - see Macy Street

College Street

Cottage Place

Date Street (obsolete)

Echandia Street

Fickett Street

Figueroa Street

Figueroa Street

Figueroa Street

Francisco Street

Frank Court

Georgia Street

Harlem Place

Highland Avenue

Jeffries Avenue

Judge John Aiso Street

Keller Street

Lebanon Street
Lindley Place
Macy Street (obsolete)
Market Street & Requena Street (obsolete)
Mateo Street
Mercury Court
McGarry Street
Micheltorena Street
New High Street

Ogier Street (obsolete)

Ord Street

Ord Street

Pearl Street (obsolete name)

Pembroke Lane

Pico Boulevard

Pico Boulevard

Quintero Street

Ramirez Street

Saint Vincent Court

Sentous Street (obsolete)

Soto Street
Spring Street

Vignes Street

Vignes Street

Werdin Place
Wilcox Avenue

Streets in other cities and areas within the County of Los Angeles (Outside the boundaries of Los Angeles City)

Church Road (Montebello)

Church Road (Montebello)

Cleminson Street (El Monte)
Coffman and Pico Road (just the Coffman) (Pico Rivera)
Cogswell Road (El Monte)

Colima Road (Whittier, Hacienda Heights, Rowland Heights)

Downey Road (Unincorporated East Los Angeles

Durfee Road (El Monte, Pico Rivera)

Guirado Street (obsolete from Los Nietos/Whittier)

Ince Boulevard (Culver City)

Leffingwell Road (Whittier)

Miracle Place (City of Commerce)

Orr and Day Road (just the Orr) (Santa Fe Springs, Norwalk)
Passons Boulevard (Pico Rivera)
Peck Road (El Monte, South El Monte)
Pellissier Place and Pellissier Road (City of Industry, Unincorporated North Whittier)
Shallowbrook Road (West Whittier)
Strong Avenue (West Whittier)

Tweedy Lane (Downey)

Vail Avenue (City of Commerce)