Papalocal
Loading…
Papalocal Your local communities & everything app — businesses, deals, library, and more.

The Nauvoo Exodus: Why Latter-day Saints Migrated West

Explore the complex blend of religious persecution, economic pressures, and leadership decisions that drove the Latter-day Saints from Nauvoo, Illinois, to the American West.

By Garret Merkley · Explainer · Jun 2, 2026
Branched from Lucy Mack Smith's Final Years in Nauvoo: Grief, Legacy, and Division
Quick take
  • Driven by intense religious persecution and violence in Illinois.
  • The assassination of Joseph Smith left the community vulnerable and leaderless.
  • Economic hardship and internal dissent weakened Nauvoo.
  • Brigham Young led the majority of Saints west, seeking religious freedom and safety.

The Nauvoo Exodus refers to the forced mass migration of the majority of members of The Church of Jesus Christ of Latter-day Saints (often called Mormons) from Nauvoo, Illinois, to the Great Basin (present-day Utah) starting in 1846. This monumental journey followed years of escalating conflict and the assassination of their prophet, Joseph Smith, marking a pivotal moment in the church's history and a significant chapter in American westward expansion.

Intense Religious and Political Persecution

From their earliest settlements in New York, Ohio, and Missouri, Latter-day Saints faced significant hostility. Their unique religious beliefs, which included the practice of plural marriage (polygamy), communal economic practices, and a strong sense of unified community, often clashed with the prevailing social and religious norms of the time. As the community grew, so did its political influence, often voting as a bloc, which local populations viewed as a threat to their existing power structures. This tension repeatedly led to violence and forced removals, culminating in their expulsion from Missouri in 1838.

When the Saints settled in Nauvoo, Illinois, they initially found refuge and built a thriving city. However, old animosities resurfaced. The destruction of the anti-Mormon newspaper, the *Nauvoo Expositor*, by city officials (acting under Joseph Smith's orders as mayor) provided a pretext for his arrest. In June 1844, Joseph Smith and his brother Hyrum were murdered by a mob while awaiting trial in Carthage Jail. This act of violence shattered any remaining hope for peaceful coexistence in Illinois.

Economic Hardship and Internal Dissent

Despite Nauvoo's rapid growth and impressive public works, such as the construction of a large temple, the community faced considerable economic strain. The constant need to defend themselves, the loss of property in previous expulsions, and the sheer scale of the temple project drained resources. Many members lived in poverty, adding to the general sense of instability.

Joseph Smith's death also triggered a leadership crisis. Numerous individuals claimed the right to succeed him, leading to internal divisions and splinter groups. While Brigham Young, as president of the Quorum of the Twelve Apostles, eventually solidified leadership for the largest body of Saints, the period of uncertainty and internal strife further weakened the community's ability to resist external pressures and maintain a cohesive society in Nauvoo.

The Quest for Safety and a New Zion

With the assassination of their prophet and the apparent inability or unwillingness of state authorities to protect them, the Saints realized their future in Illinois was untenable. Anti-Mormon mobs continued to harass and threaten the community, making daily life precarious and dangerous. The prospect of further violence loomed large.

Under Brigham Young's leadership, the decision was made to seek a new home far from existing settlements, where they could practice their religion freely and build their own society without interference. This vision of moving west to an isolated area in the Great Basin, which they called Zion, offered the promise of sanctuary and the opportunity to establish a theocratic commonwealth. This powerful spiritual and practical motivation drove the massive undertaking of the Nauvoo Exodus.

The Nauvoo Exodus is a foundational event in the history of The Church of Jesus Christ of Latter-day Saints. It profoundly shaped the church's identity, its geographical center in Utah, and its enduring narrative of perseverance, sacrifice, and the unwavering quest for religious freedom. This forced migration also stands as a significant, albeit often overlooked, chapter in the broader story of religious persecution and westward expansion in American history.

When exactly did the Nauvoo Exodus begin?
The main body of the exodus began in February 1846, as Brigham Young led the first groups of Saints across the Mississippi River, though some smaller groups had departed earlier.
How many people left Nauvoo?
Estimates vary, but between 13,000 to 16,000 Latter-day Saints departed Nauvoo over several years, with the largest movements occurring in 1846-1847.
Where did they go immediately after leaving Nauvoo?
The initial destination was temporary settlements across Iowa, with a major encampment established at Winter Quarters (near present-day Omaha, Nebraska), where they spent the winter of 1846-1847 before continuing to the Salt Lake Valley.
Did everyone leave Nauvoo?
No, a minority of Latter-day Saints remained in Nauvoo or dispersed to other areas, aligning with different leadership claims or choosing not to undertake the westward journey.