List of California State Militia civil war units

The following are California State Militia units that were active between 1861 and 1865 during the American Civil War.

Alameda County

 * Alvarado Guard, Company F, 5th Infantry Regiment, 2nd Brigade, Alvarado, 1863–1866
 * Brooklyn Guard, Unattached Company, 2nd Brigade. San Leandro, 1865–1866
 * Hayward Guard, Unattached Company, 2nd Brigade. Hayward, 1864–1868
 * Jackson Guard, Unattached Company, 2nd Brigade. Oakland, 1865–1866
 * Oakland Home Guard, Oakland, (1861–1863)
 * Oakland Guard, Company C, 1st Infantry Battalion, 2nd Brigade. Oakland, (1863–1866)

Alpine County

 * Markleville Guard, changed to Alpine Rifles, Unattached Company, 4th Brigade. Markleville, 1864–1866

Amador County

 * Amador Hussars, Unattached Company, 4th Brigade. Jackson, 1861–1862
 * Amador Mountaineers, Jackson 1861, became Company C, 1st Regiment California Volunteer Infantry
 * Ione City Guard, Unattached Company, 4th Brigade. Ione 1863–1866
 * Jackson Guard, Unattached Company, 4th Brigade. Jackson 1863-1866
 * Sutter Creek Volunteers, Unattached Company, 4th Brigade. Sutter Creek 1861-1862
 * Sutter Creek Guard, Unattached Company C, 4th Brigade. Sutter Creek, 1864–1866
 * Volcano Blues, Company C, 4th Infantry Regiment, 4th Brigade. Volcano 1861–1866
 * Volcano Guard, Volcano, 1858–1861

Butte County

 * Bangor Guard, Unattached Company, 5th Brigade. Bangor, 1864–1866
 * Butte County Dragoons, Oroville 1861
 * Butte Mounted Rifles, Oroville, 1861
 * Chico Light Infantry, Chico, 1863–1866
 * California Volunteers, Oroville, 1861 became part of 1st Regiment California Volunteer Infantry
 * Oroville Guard, Oroville, 1856–1857, 1861–1868

Calaveras County

 * Angels Guard, Company H, 3rd Infantry Regiment, 3rd Brigade. Angel's Camp, 1862–1868
 * Mokelumne Hill Rifles, Unattached Company, 3rd Brigade. Mokelumne Hill, 1863–1866
 * Union Guard, Company C, 2nd Battalion, 3rd Brigade. Poverty Bar, 1861–1866
 * Union Guard, Unattached Company, 3rd Brigade. Copperopolis, 1864–66

Contra Costa County

 * Contra Costa Guard, Company G, 1st Cavalry Battalion, 2nd Brigade. San Pablo, 1863–1866

Del Norte County

 * Crescent City Guard, Unattached Company, 2nd Brigade, 6th Division. Crescent City, 1861-1864

El Dorado County

 * Banks Guard, Company E, 2nd Infantry Battalion, 4th Brigade. Smith's Flat, 1863–1866
 * Coloma Greys, Coloma, 1857–1862, disbanded after most of its men joined the Second and Fourth Regiments of California Volunteers.
 * El Dorado Mountaineers, Company G, 2nd Infantry Battalion, 4th Brigade. El Dorado 1863-1866
 * Georgetown Union Guard, Company A, 2nd Infantry Battalion, 4th Brigade. Georgetown, 1863–1868
 * National Guard, Company D, 2nd Infantry Battalion, 4th Brigade. Placerville, 1863–1866
 * Placerville City Guard, Company B, 2nd Infantry Battalion, 4th Brigade. Placerville, 1863–1866
 * Placerville Guard, 4th Brigade, 1st Division. Placerville, 1862

Fresno County

 * None

Humboldt County

 * Arcata Guard, Company B, 6th Brigade. Arcata, 1862-1867
 * Eureka Rifles, Attached to 6th Brigade. Eureka, 1862–1864
 * Humboldt Volunteers, Attached to 2nd Brigade. Hydesville, 1860
 * Mounted Volunteers, Attached to 2nd Brigade. Humboldt County, 1861

Lake County

 * None

Lassen County

 * Honey Lake Rangers, Unattached Cavalry Company, 5th Brigade. Susanville, 1864–1866

Los Angeles County

 * Los Angeles Greys, attached to 1st Brigade, 1st Division. Los Angeles, 1861
 * Los Angeles Guard, Attached to 1st Brigade. Los Angeles, 1853-1881
 * Los Angeles Mounted Rifles, Attached to 1st Brigade. Los Angeles, 1861
 * Monte Mounted Rifles, El Monte, 1861

Marin County

 * Lincoln Cavalry, Company M, 1st Cavalry Regiment, 2nd Brigade. Tomales, 1864–1866
 * Washington Rifles, Tomales, 1864

Mariposa County

 * Coulterville Rifles, Unattached Company, 3rd Brigade. Coulterville, 1864–1866

Mendocino County

 * None

Merced County

 * None

Mono County

 * Esmerelda Rifles, Attached to 3rd Brigade. Aurora, 1862
 * Hooker Light Infantry, Attached to 3rd Brigade. Aurora, 1863

Monterey County

 * Conner Guard, Attached to First Brigade. Monterey, 1863–1866

Napa County

 * Napa Guard, Unattached company, 2nd Brigade. Napa City & County, 1861–1868
 * Napa Rangers, Company L, 1st Cavalry Regiment, 2nd Brigade. Napa City & County, 1864–1868
 * Washington Light Artillery, Unattached Co., 2nd Brigade. Napa City & County, 1863–1866

Nevada County

 * Company "H", Nevada City, 1861 It became Company G, 1st Regiment California Volunteer Infantry
 * Eureka Rangers, Unattached Company, of the Fourth Brigade. Moores Flat, 1863–1866
 * Grass Valley Union Guard, Company A, 5th Infantry Battalion, 4th Brigade. Grass Valley, 1863–1865
 * Howell Zouaves, Company E, 5th Infantry Battalion, 4th Brigade. Grass Valley, 1865–1872
 * Little York Union Guard, Company C, 5th Infantry Battalion, 4th Brigade. You Bet, 1863–1867
 * Nevada Light Guard, Unattached Company, 4th Brigade. Nevada City, 1863–1878
 * Nevada Rifles, Unattached Company, 2nd Brigade, 4th Division. Nevada City, 1858–1863
 * San Juan Guard or Bridgeport Union Guard, Unattached Company, 4th Brigade. North San Juan, 1863–1866

Placer County

 * Auburn Greys, Company A, 1st Infantry Battalion, 4th Brigade. Auburn, 1861–1868
 * Forest Hill Guard, Company B, 1st Infantry Battalion, 4th Brigade. Forest Hill, 1861–1866
 * Lincoln & Virginia Union Guard, Company D, 1st Infantry Battalion, 4th Brigade. Lincoln, 1863–1866
 * Mountain Volunteers, Forest Hill, 1861, disbanded, when many company members joined the Volunteer Infantry for active duty.
 * Pacific Guard, Company C, 1st Infantry Battalion, 4th Brigade. Dutch Flat, 1861–1868
 * Pilot Hill Rangers, Company F, 2nd Infantry Battalion, 4th Brigade. Pilot Hill, 1864–1866
 * Placer Cadets, Company F, 1st Infantry Battalion, 4th Brigade. Iowa Hill, 1865–1866
 * Placer County Mountaineers, Forest Hill, 1861, disbanded, when many of the company's members joined the Volunteer Infantry for active duty.
 * Placer Guard, Iowa Hill, 1861–1862
 * Shields Guard, Company C, 2nd Infantry Regiment, 2nd Brigade. Forest Hill, 1861
 * Union Corps, Company D, 1st Infantry Battalion, 4th Brigade. Michigan Bluff, 1862–1863
 * Yankee Jims Rifles, Company E, 1st Infantry Battalion, 4th Brigade. Yankee Jim's, 1863–1867

Plumas County

 * Indian Valley Rifles, Taylorville 1863 Never an effective unit.
 * Union Guard, Quincy 1863-1864 Never an effective unit.

Sacramento County

 * Baker Guard, Company H, 4th Infantry Regiment, 4th Brigade. Sacramento, 1863–1866
 * Emmet Guard, Company E, 4th Infantry Regiment, 4th Brigade. Sacramento, 1864-1872
 * Granite Guard, Unattached Company, 4th Brigade. Folsom 1861–1863
 * Independent City Guard, Company A, 2nd Battalion, 4th Brigade. Sacramento, 1856–1880
 * National Guard, Company D, 4th Infantry Regiment, 4th Brigade. Sacramento, 1862–1867
 * Sacramento Hussars, Unattached Company, 4th Brigade. Sacramento, 1863–1874
 * Sacramento Light Artillery, Sacramento, 1864–1880
 * Sacramento Sharp Shooters, Company F, 4th Infantry Regiment, 4th Brigade. Sacramento, 1863–1866
 * Turner Rifles, Company E, 4th Regiment of Infantry, 4th Brigade. Sacramento, 1863–1864
 * Walnut Grove Union Guard, Unattached Company, 4th Brigade. Walnut Grove 1863-1866
 * Washington Rifles, Sacramento City & County, 1861 It became Company E, 1st Regiment California Volunteer Infantry

San Bernardino County

 * San Bernardino Rangers, Attached to 1st Brigade. San Bernardino, 1861–1862

San Diego County

 * San Diego Guard, Attached to 1st Brigade, 1st Division. San Diego, 1856-1863

San Francisco County

 * Black Hussars then "San Francisco Hussars", San Francisco City & County, 1859–1862
 * San Francisco Hussars, Company B, 1st Cavalry Regiment, 2nd Brigade. San Francisco City & County, 1862–1891 Formerly the Black Hussars.
 * Carbineers, Company G, First Infantry Regiment, Second Brigade. San Francisco City & County, 1859–1862
 * California Grenadiers, Company D, 6th Infantry Regiment, 2nd Brigade. San Francisco City & County, 1864–1866
 * California Musketeers, Company H, 6th Infantry Regiment, 2nd Brigade. San Francisco City & County, 1864–1866
 * California Rifles, 1863 ?
 * California Rifles (French Guard), Company H, First Infantry Regiment, Second Brigade. San Francisco City & County, 1860-1862
 * California Tigers, Company D, 2nd Infantry Battalion, 2nd Brigade. San Francisco City & Co., 1865–1869
 * Columbian Guard, Company D, 1st Infantry Regiment, 2nd Brigade. San Francisco City & County, 1863–1869
 * Ellis Guard, Company C, 6th Infantry Regiment, 2nd Brigade. San Francisco City & County, 1863–1866
 * Ellsworth Guard Zouaves, Company B, 1st Regiment Artillery, 2nd Brigade. San Francisco City & County, 1862–1866
 * Ellsworth Rifles, Company K, 1st Infantry Regiment, 2nd Brigade. San Francisco City & County, 1861–1872
 * Ellsworth Zouaves Cadettes, Unattached Company, 2nd Brigade. San Francisco City & County, 1864–1866
 * Emmett Life Guard, Unattached Company, 2nd Brigade. San Francisco City & County, 1862–1866
 * Eureka Guard, Company I, 1st Artillery Regiment, 2nd Brigade. San Francisco City & County, 1865–1869
 * Federal Guard, Unattached Company, 2nd Brigade. San Francisco City & County, 1865–1866
 * First California Guard, Company A, Light Battery, 1st Artillery Regiment, 1st Brigade. San Francisco City & County, 1849–1875
 * First Light Dragoons, Company A, 1st Cavalry Battalion, 2nd Brigade. San Francisco City & County, 1852–1880
 * Franklin Light Guard, Company E, 1st Artillery Regiment, 2nd Brigade. San Francisco City & County, 1861–1873
 * Germania Guard, Company G, 6th Infantry Regiment, 2nd Brigade. San Francisco City & County, 1864–1866
 * Governors Guard, Unattached Company, 2nd Brigade. San Francisco City & County, 1865–1866
 * Grant Guard, Company B, 2nd Infantry Battalion, 2nd Brigade. San Francisco City & County, 1864–1867
 * Hibernia Greens, Unattached Company, 2nd Brigade. San Francisco City & County, 1865–1866
 * Hugh O'Neil Guard, Company K, 2nd Infantry Regiment, 2nd Brigade. San Francisco City & County, 1863–1866
 * Independent National Guard, Company C, 1st Infantry Regiment, 2nd Brigade. San Francisco City & County, 1859–1880
 * Jackson Dragoons, Company C, 1st Cavalry Regiment, 2nd Brigade. San Francisco City & County, 1863–1881
 * Liberty Guard, Company F, 1st Regiment Artillery, 2nd Brigade. San Francisco City & County, 1864–1866
 * Lincoln Guard, Company A, 2nd Infantry Battalion, 2nd Brigade. San Francisco City & County, 1864–1855
 * Wolfe Tone Guard, San Francisco City & County, 1862
 * Marion Rifles, Unattached Company, 2nd Brigade. San Francisco City & County, 1852–1861
 * Meagher Guard (Irish Invincible), Company E, 2nd Infantry Battalion, 2nd Brigade. San Francisco City & County, 1862–1866
 * Mechanics Rifles, Company F, 2nd Artillery Regiment, 2nd Brigade. San Francisco City & County, 1864–1866
 * Mission Guard, Unattached Company, 2nd Infantry Regiment, 2nd Brigade. Mission Dolores, 1864–1866
 * Montgomery Guard, Company B, 1st Infantry Battalion, 2nd Brigade. San Francisco City & County, 1859–1880
 * McClelland Guard to Dec. 1865, thereafter "Excelsior Guard", Company B, 1st Infantry Battalion, 2nd Brigade. San Francisco City & County, 1862–1866
 * McMahon Guard, Company B, 2nd Infantry Regiment, 2nd Brigade. San Francisco City & County, 1859-1879
 * San Francisco Cadets, Company K, 1st Regiment Artillery, 2nd Brigade. San Francisco City & County, 1863-1884
 * San Francisco Light Guard, Company F, 1st Infantry Regiment, 2nd Brigade. San Francisco City & County, 1858–1880
 * San Francisco Tiralleurs, Company F, 6th Infantry Regiment, 2nd Brigade. San Francisco City & County, 1864–1880
 * San Francisco Jaegers, Company K, 6th Infantry Regiment, 2nd Brigade. San Francisco City & County, 1864–1866
 * Seward Guard, Unattached Company, 2nd Brigade. San Francisco City & County, 1865–1866
 * Sheridan Guard, Company C, 2nd Infantry Battalion, 2nd Brigade. San Francisco City & County, 1864–1866
 * Shields Guard, Company C, 2nd Infantry Regiment, 2nd Brigade. San Francisco City & County, 1862–1869
 * Sigel Rifles, Company B, 6th Infantry Regiment, 3rd Brigade. San Francisco City & County, 1861–1866
 * State Guard, Company A, 1st Infantry Regiment, 2nd Brigade. San Francisco City & County, 1863–1869
 * Tittel Zouaves, Company I, 6th Infantry Regiment, 2nd Brigade. San Francisco City & County, 1864–1866
 * Union Guard (Gatling Battery), Company A, 1st Regiment Artillery, 2nd Brigade. San Francisco City & County, 1861–1881
 * Washington Continental Guard, Company D, 1st Infantry, 2nd Brigade. San Francisco City & County, 1855–1862
 * Washington Light Infantry, Company D, 1st Infantry, 2nd Brigade. San Francisco City & County, 1862–1878  Formerly Washington Continental Guard.

San Joaquin County

 * Castoria Guard, Unattached Company, 3rd Brigade. French Camp, 1864–1866
 * Linden Light Dragoons, Unattached Company, 3rd Brigade. Linden, 1863–1864
 * Mokelumne Light Dragoons, Unattached Company, 3rd Brigade. Lockeford, 1863–1867
 * San Joaquin Mounted Rifles, Unattached Company, 1st Brigade, 3rd Division. Knight's Ferry, 1858–1862
 * Stockton Blues, Stockton, 1859–1861
 * Stockton City Guard, Unattached Company, 3rd Brigade. Stockton, 1864–1866
 * Stockton Light Artillery, Unattached Company, 3rd Brigade. Stockton, 1864–1868
 * Stockton Light Dragoons, Unattached Company, 3rd Brigade. Stockton, 1862–1866
 * Stockton Union Guard, Unattached Company, 3rd Brigade. Stockton, 1861–1866

San Luis Obispo County

 * none

San Mateo County

 * Jefferson Cavalry, Company H, 1st Cavalry Regiment, 2nd Brigade. Redwood City, 1864–1866

Santa Barbara County

 * none

Santa Clara County

 * Alviso Rifles (Guards), Company C, 5th Infantry Battalion, 2nd Brigade. Alviso Mills, 1863–1866
 * Burnett Light Guard, Company I, 1st Cavalry Regiment, 2nd Brigade. San Jose, 1864–1866
 * Gilroy Guard, Company E, 5th Infantry Regiment, 2nd Brigade. Gilroy, 1863–1866
 * Johnson Guard, Unattached Company, 2nd Brigade. San Jose, 1865–1866
 * National Guard, San Jose, 1857–1861, disbanded when many of its members joined the regular army.
 * National Light Artillery, Unattached Company, 2nd Brigade. San Jose, 1863
 * New Almaden Cavalry, Company K, 1st Cavalry Regiment, 2nd Brigade. New Almaden, 1864–1866
 * San Jose Volunteers, San Jose, 1861 Became Company D, 1st Regiment California Volunteer Infantry
 * Redwood Cavalry, Company E, 1st Cavalry Regiment, 2nd Brigade. McCarthysville, 1863–1866
 * San Jose Zouaves, Company H, 1st Artillery Regiment, 2nd Brigade. San Jose, 1862–1866
 * Santa Clara Light Infantry, Company F, 1st Artillery Regiment, 2nd Brigade. Santa Clara, 1861–1864 Renamed Santa Clara Guard in 1864.
 * Santa Clara Guard, Company H, 5th Infantry Regiment, 2nd Brigade. Santa Clara, 1864–1866
 * Santa Clara Zouaves, Unattached Company, 2nd Brigade. Santa Clara, 1863–1865
 * Union Guard, Company A, 5th Infantry Regiment, 2nd Brigade. San Jose, 1861–1866

Santa Cruz County

 * Butler Guard, Company G, 5th Infantry Regiment, 2nd Brigade. Santa Cruz, 1863–1866
 * Santa Cruz Cavalry, Company F, 1st Cavalry Regiment, 2nd Brigade. Santa Cruz, 1863–1866
 * Santa Cruz Volunteers, Company H, 1st Cavalry Regiment, 2nd Brigade. Santa Cruz, 1861
 * Watsonville Guard, Company D, 5th Infantry Regiment, 2nd Brigade. Watsonville, 1863–1868

Shasta County

 * Lyon Light Infantry, Company C, 5th Brigade. Shasta, 1863–1868
 * Trueman Head Rifles, Company F, 5th Brigade. French Gulch, 1863–1866

Sierra County

 * Allegheny Guard, 3rd Infantry Battalion, 4th Brigade. Allegheny, 1863–1866
 * Forest Rifles, Company C, 3rd Infantry Battalion, 2nd Brigade. Forest City 1854–1866
 * Gibsonville Blues, Company E, 3rd Infantry Battalion, Second Brigade. Gibsonville, 1858–1862, disbanded after most of its members joined California Volunteer Regiments as individuals.
 * La Porte Guard, Unattached Company later Company C, 4th Infantry Battalion, 4th Brigade. La Porte 1863–1866
 * Minnesota Guard, Company C, 4th Brigade. Minnesota City, 1863–1866
 * Mountain Rangers, Unattached Company, 4th Brigade. Sierraville, 1864–1866
 * National Guard, Company E, 1st Battalion, 2nd Brigade. Downieville, 1857–1866
 * Sierra Greys, La Porte, 1858–1861 Became Company F, First Regiment of Infantry, California Volunteers
 * Table Rock Union Guard, Company G, 7th Infantry Regiment, 4th Brigade. Howland Flat, 1864–1866
 * Union Guard, Unattached Company, 4th Brigade. Eureka 1864–1866

Siskiyou County

 * Scott Valley Guard, Unattached Company, 5th Brigade. Scott Valley, 1863,  disbanded the same year.
 * Siskiyou Light Guard, Company D, 5th Brigade. Yreka, 1863–1866

Solono County

 * Benicia Guard (Starsfield Guard from late 1862), Company G, 2nd Brigade. Benicia, 1862–1866
 * Lincoln Artillery, Unattached Company, 2nd Brigade. Vallejo, 1864–1866
 * Maine Prairie Rifles, Unattached Company, 2nd Brigade. Maine Prairie, 1863–1866
 * McClellan Guard, Company I, 1st Artillery, 2nd Brigade. Vallejo, 1863–1864 Identified as a Copperhead Company its officers were mustered out of service.
 * Suisun Cavalry, Company D, 1st Cavalry Regiment, 2nd Brigade. Suisun City, 1863–1866
 * Vallejo Rifles, Unattached Company, 2nd Brigade, Vallejo, 1861–1866

Sonoma County

 * Bloomfield Guard, Company C, 1st Infantry Battalion, 2nd Brigade. Bloomfield, 1862–1866
 * Emmet Guard (Emmet Rifles after early 1862), Company F, 2nd Infantry Regiment, 2nd Brigade. Petaluma, 1861–1866
 * Petaluma City Guard, Company E, 1st Infantry Battalion, 2nd Brigade. Petaluma 1864–1866
 * Petaluma Guard, Company D, 1st Infantry Battalion, 2nd Brigade. Petaluma, 1856–1866
 * Russian River Rifles, Company B, 1st Infantry Battalion, 2nd Brigade. Healdsburg, 1862–1866
 * Sotoyame Guard, Healdsburg, 1858–1861, disbanded in 1861 after a rapid decline in membership, in this pro Southern area.
 * Washington Guard, Company A, 1st Infantry Battalion, 2nd Brigade. Santa Rosa, 1862–1866

Sutter County

 * Butte Mountain Rangers, Company D, 7th Infantry Regiment, 4th Brigade. South Butte Mountains, 1863–1866
 * Company "A", Yuba City, 1861 Organized but disbanded due to lack of available arms.

Stanislaus County

 * Franklin Guard, Company F, 3rd Infantry Regiment, 3rd Brigade. Knight's Ferry, 1862–1866
 * Stanislaus Guard, 1st Brigade, 3rd Division. Knight's Ferry, 1860–1862,   disbanded in 1862.

Tehama County

 * Lassen Rangers, Unattached Company, 5th Brigade. Red Bluff, 1863–1866

Tuolumne County

 * Grant Guard, Company G, 1st Infantry Battalion, 3rd Brigade. Shaw's Flat, 1863–1866
 * Jamestown Guard, Company D, 1st Infantry Battalion, 3rd Brigade. Jamestown, 1862–1866
 * Sigels Guard, Company B, 1st Infantry Battalion, 3rd Brigade. Sonora, 1862–1866
 * Tuolumne Guard, Company E, 3rd Infantry Regiment, 3rd Brigade. Montezuma, 1862–1866
 * Tuolumne Home Guard, Company A, 3rd Infantry Regiment, 3rd Brigade. Columbia, 1861–1866
 * Tuolumne Home Guard, Company C, 3rd Infantry Regiment, 3rd Brigade. Chinese Camp, 1862–1866

Trinity County

 * Douglas City Rifles, Unattached Company, 5th Brigade. Douglas City, 1861–1866
 * Halleck Rifles, Unattached Company, 5th Brigade. Weaverville, 1862–1866
 * Union Guard, Unattached Company, 2nd Brigade. Weaverville, 1861–1862

Tulare County

 * Tulare Home Guard, Unattached Company, 3rd Brigade. Visalia, 1863–1866

Yolo County

 * Washington Guard, Company G, 4th Infantry Regiment, 4th Brigade. Washington 1863-1866
 * Woodland Guard, Company K, 4th Infantry Regiment, 4th Brigade. Woodland, 1863–1866
 * Yolo Union Cavalry, Unattached Company, 4th Brigade. Woodland, 1863–1866

Yuba County

 * California Zouaves, 1st Brigade, 5th Division. Marysville 1861–1862
 * Downey Guard, Unattached Company, 1st Brigade, 5th Division. Timbuctoo 1860–1861
 * Hooker Guard, Company B, 7th Infantry Regiment, 4th Brigade. Oregon House, 1863–1866
 * Marysville Rifles, Company B, 4th Infantry Regiment, 4th Brigade. Marysville, 1859–1866
 * Saragossa Light Guard, Company H, 7th Infantry, 4th Brigade. Marysville, 1865–1866
 * Union Guard, Company A, 7th Infantry Regiment, Fourth Brigade. Marysville, 1863–1866
 * Yuba Light Infantry, Unattached Company, 4th Brigade. Camptonville 1863–1866