|William Brown Ide|
Photo purported to be of Ide 
|Commander of the California Republic|
June 14, 1846 – July 9, 1846
|Preceded by||Andrés Pico as Governor of Mexican Alta California|
|Succeeded by||John D. Sloat as U.S. Military Governor of California|
March 28, 1796|
December 1852 (aged 56)|
Red Bluff, California
|Cause of death||smallpox|
|Resting place||Monroeville Cemetery, Monroeville, Glenn County, California|
|Profession||Farmer, politician, soldier|
William Ide was born in Rutland, Massachusetts to Lemuel Ide, a member of the Vermont State Legislature. A carpenter by trade, Ide married Susan Grout Haskell (1799–1850) in 1820.  He and his wife Susan lived at first in Massachusetts, but soon began moving westward—to Kentucky, then to Ohio and finally to Illinois. They farmed in Springfield, where Ide supplemented his income by teaching school. 
Since at least as early as 1886  and as late as 1993,  some historians have argued that Ide was never a member of The Church of Jesus Christ of Latter-day Saints. This argument was settled in 2014 in the affirmative, however, when researchers Roger Robin Ekins, Michael N. Landon and Richard K. Behrens—building on the work of David Freeman and Ronald L. "Smokey" Bassett—positively identified an unsigned letter in the archives of the LDS Church as being penned by Ide.  Ekins has laid out all of the arguments on both sides of this controversy, positively concluding that Ide was baptized a Mormon in July 1837, was likely set apart as the President of the Springville Branch of the Church in July 1844 and was called on a mission to assist Joseph Smith's campaign for the Presidency of the United States on April 6, 1844.  Accordingly, Ide and his family were the first known Mormons to enter California and Ide—as commander of the short-lived California Republic—was, arguably, the first LDS head of state.
In 1845, Ide sold his farm and joined a wagon train in Independence, Missouri headed for Oregon. On the advice of the mountain man Caleb Greenwood, Ide and a group of settlers split off and headed to Alta California, then a province of Mexico. They arrived at Sutter's Fort on October 25, 1845. Ide traveled north to work for Peter Lassen on Rancho Bosquejo.
In 1846, on a report that the Mexican government was threatening to expel all settlers who were not Mexican citizens, about thirty settlers conducted what was to become known as the Bear Flag Revolt. On June 14, Ide and the others seized the pueblo of Sonoma and captured the Mexican Commandante of Northern California, Mariano Guadalupe Vallejo, who in fact supported American annexation. On June 15, Ide released the Proclamation he had written the night before.  By noon of June 17, the rebels raised the new California Bear Flag, proclaiming the Mexican province to be the California Republic. Ide had been chosen to serve as commander.
The Bear Flag Republic lasted until July 9, 1846, just 25 days, until the U.S. Flag was raised at Sonoma. Ide and other "Bear Flaggers" joined John C. Frémont and the U.S. armed forces in taking possession of California from Mexico.
After the Mexican–American War, Ide returned to his home near Red Bluff, California, where he resumed his partnership with Josiah Belden at his Rancho Barranca Colorado. He bought out Belden in 1849, and was successful in mining. Ide went on to a distinguished career as a public servant in Colusi County (the precursor to portions of today's Colusa, Glenn and Shasta Counties). There he served as Probate and County Judge, Presiding Judge of the Court of Sessions, County Recorder, County Auditor, County Clerk, County Treasurer, Deputy County Surveyor and Deputy Sheriff.
Ide died of smallpox in December 1852, probably during the night of the 19th–20th, at the age of 56. He is buried in a small cemetery on the east side of Highway 45, 5 miles south of Hamilton City at the former site of Monroeville where a monument is visible from the road. On June 7, 2014 new gravestones, created by William B. Ide Adobe State Historic Park docent David Freeman, were dedicated by S. Dennis Holland, President of the California Pioneer Heritage Foundation & Director of Public Affairs of LDS Historic Sites in California.
- See http://budwin.net/ide/wmbide.html
- Tehama County Pioneers by Keith Lingenfelter
- William Brown Ide
- Royce, Josiah (1886). California, from the Conquest in 1846 to the Second Vigilance Committee in San Francisco: A Study of American Character. Boston and N.Y.: Houghton, Mifflin and Co. p. 67.
- Parker, Jerry (1993). William B. Ide: A Re-Examination of His Life and Role in California History. Chico, California: Unpublished M.A. thesis, California State University. p. 32.
- (Ide), (William Brown). Holograph Letter. Salt Lake City, Utah: LDS Church History Library. p. MS 22028/f0001.
|url=( help) The letter is undated, but was written in 1844
- Ekins, Roger Robin. "William Brown Ide: Mormon President of the Republic of California". Mormon Historical Studies: 1–33.
|url=( help) Dated '16:2' (Fall 2015)
- One version of the text of the proclamation can be found at http://www.militarymuseum.g/BearFlagRevolt.html. Several versions were created of the Proclamation. Fred Blackburn Rogers William Brown Ide, Bear Flagger, Appendix A, IDE PROCLAMATIONS
- William B. Ide Adobe State Historic Park
- Apparently, Ide never actually lived at the Ide Adobe, but rather at a location much further south in Tehama County. "William B. Ide never lived at park" by Rebecca Wolf, Red Bluff Daily News Online, accessed 02/23/2008
- "William Ide - Biographic Notes". Inn-California. Retrieved 2005-09-09.
- "Simeon Ide's A Sketch of the Life of William B. Ide". Retrieved 2008-01-30.
- "The Bear Flag Revolt". Colusi County Historical Society. Retrieved 2005-09-27.
- Hubert H. Bancroft's History of California, Vol. V. 1846-1848
- "The Bear Flag Museum". Retrieved 2007-11-07.
- "William B. Ide Adobe SHP 2009 brochure" (PDF). Retrieved 2009-04-16.
- "William Brown Ide, Bear Flagger by Fred Blackburn Rogers (1962)". Missing or empty