At a glance
- In September 1857, an emigrant company traveling from Arkansas toward California was attacked at Mountain Meadows in what is now southwestern Utah.
- After several days, local militia participants induced the emigrants to surrender under a promise of protection and then killed most of the company.
- About 120 people died; 17 young children survived.
- Historical debate has centered on local leadership, Indigenous participation, Brigham Young's knowledge and the subsequent concealment of responsibility.
Background
The early history of the Church of Jesus Christ of Latter-day Saints was marked by intense conflict. Members asserted distinctive religious claims, accepted additional scriptures, built closely organized settlements and practiced plural marriage. These differences, together with political and economic disputes, strained relations with surrounding communities. For a broader chronology, see the early history of the movement and the essay on plural marriage.
Latter-day Saints experienced expulsion and serious violence during the 1830s and 1840s. In 1838, attackers killed 17 church members at Haun's Mill in Missouri. In 1844, a mob killed Joseph Smith and his brother Hyrum while they were jailed in Illinois. Most members later migrated west and established communities in the Great Salt Lake region under Brigham Young.
By 1857, mistrust between Utah's territorial leadership and the United States government had deepened. Federal troops were moving toward Utah during what became known as the Utah War. Local communities prepared for possible invasion, and rhetoric about loyalty, enemies and divine judgment intensified. This atmosphere does not excuse the massacre, but it helps explain the climate in which local leaders made catastrophic decisions.
A note on language and evidence
Accounts differ in details, and some early reports reflected prejudice against Indigenous peoples or attempts to redirect blame. This page uses calm descriptive language, distinguishes documented findings from disputed claims, and does not reproduce inflammatory historical quotations.
What happened at Mountain Meadows?
The Baker–Fancher emigrant company was traveling from Arkansas through Utah Territory toward California. In early September 1857, the party camped at Mountain Meadows, a customary stopping place with water and grazing land.
The company came under attack by a force that included members of the local territorial militia and some Southern Paiute participants. The precise composition and sequence remain subjects of historical study. After several days of siege, militia members approached under a flag of truce and offered safe passage. The emigrants surrendered their weapons and left their defensive camp.
The promise of protection was then broken. Most members of the company were killed. Approximately 120 men, women and older children died, while 17 young children were spared. The surviving children were initially placed with local families. Federal officials later recovered them, and most were returned to relatives in Arkansas.
The source page included graphic forensic descriptions. Those details are omitted here because they are unnecessary to understand the event. The essential historical conclusion is clear: this was a planned mass killing following a deceptive surrender agreement.
Responsibility and disputed authority
Historical inquiry has generally distinguished between direct local responsibility and the unresolved question of how much senior church leadership knew before the final killings.
Local planning and action
Substantial evidence identifies local militia members and ecclesiastical leaders as organizers and direct participants. John D. Lee served as an intermediary during the surrender. He was tried twice and executed in 1877, although responsibility extended beyond one person.
Brigham Young's role
One interpretation holds that Young did not authorize the attack and that his written instruction not to interfere with emigrant companies arrived too late. Another argues that his rhetoric, territorial authority and later conduct support a greater degree of responsibility. The surviving evidence has not produced universal agreement that he directly ordered the massacre.
Historian Juanita Brooks concluded that the full truth may never be reconstructed, while maintaining that local Latter-day Saint leaders and militia members bore central responsibility. Later historians have continued to assess documentary, archaeological and oral-history evidence. Will Bagley argued for a more direct connection to Young; Ronald W. Walker, Richard E. Turley Jr. and Glen M. Leonard emphasized local planning within the wider crisis of 1857.
Claims that a secret Danite organization carried out the killings in Utah are not supported by reliable evidence. A purported lead plate said to connect Young directly to the order was also determined not to be an authentic document in John D. Lee's handwriting.
Blame, concealment and investigation
Early explanations placed primary blame on Paiute people. That account obscured the central participation of local militia members and reflected efforts to protect settlers and institutions. Later testimony, trials and historical research gradually established a fuller record.
Young repeated allegations that the emigrants had previously harmed Indigenous people. Such stories circulated widely in 1857, but they did not justify the attack and do not alter responsibility for the surrender and subsequent killings.
Debate also arose after human remains were uncovered during monument work in 1999. Some reports characterized their rapid reburial as institutional suppression of evidence. Other accounts, including statements from people involved in the memorial association, explained that descendants pressed for prompt and respectful reburial. The episode illustrates why claims about concealment require careful distinction between established evidence, interpretation and rumor.
Burial and commemoration
In 1859, U.S. Army personnel gathered and buried remains at the site and erected a cairn. Over time, the memorial was damaged, rebuilt and altered. New monuments were created in the late 1990s, including a cairn near the original burial area and another memorial listing known victims.
Mountain Meadows remains a place of mourning and difficult historical memory. Descendants of the emigrants, descendants of participants, historians, Indigenous communities and Latter-day Saints have approached the site with different experiences and questions. Responsible commemoration centers the victims, acknowledges documented participation and avoids assigning collective guilt to present-day religious or Indigenous communities.
Selected sources from the archive
The original essay drew on books, government reports, journalism and conference presentations. The links below are retained from that source where available; some older external pages may no longer be active.
- Juanita Brooks, The Mountain Meadows Massacre, University of Oklahoma Press, 1991.
- J. H. Carleton, Special Report on the Mountain Meadow Massacre, 25 May 1859, formerly archived at mtn-meadows-assoc.com.
- Will Bagley, Blood of the Prophets: Brigham Young and the Massacre at Mountain Meadows, University of Oklahoma Press, 2002.
- Gene Sessions, “Shining New Light on the Mountain Meadows Massacre,” conference presentation, 2003, formerly available at fairlds.org.
- Ronald W. Walker, Richard E. Turley Jr. and Glen M. Leonard, Massacre at Mountain Meadows, Oxford University Press, 2008.