Unitarian Universalist Church in Alton Split Over Slavery in 1856, Drawing Lincoln’s Attention

By Gwen Posted Oct 12, 2026 at 12:40 PM
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In 1856, a rift over slavery split the Alton Unitarian church, an event that Abraham Lincoln later cited during a political debate. The controversy centered on the sermons of Rev. William D’Arcy Haley, a newly hired minister known for his strong social conscience and opposition to slavery. His fiery 1856 sermon on the subject deeply divided the congregation, prompting Haley to tender his resignation. The church board accepted his resignation by a four-to-three vote, but the decision sparked further debate.

A heated discussion among board members led to a proclamation affirming “freedom of the Alton pulpit on an equal with the freedom enjoyed by all Unitarian churches in less bigoted communities.” This statement reflected the denomination’s commitment to free speech and moral conviction, even in the face of local resistance. The church then asked Haley to withdraw his resignation, which he did, though he eventually resigned again after only four months and relocated to the District of Columbia.

Haley’s tenure as a minister and his later service as chaplain for the Seventeenth Massachusetts Volunteers during the Civil War underscore his dedication to abolitionist causes. His experiences mirror the broader role of Unitarians in opposing slavery, a stance that shaped their involvement in the Union army. Many Unitarian men enlisted to help dismantle the institution, a commitment that aligned with their moral teachings.

The Unitarian Universalist Association, originally known as the Unitarian Church, has historically been a vocal opponent of slavery. This stance is evident in the actions of figures like Robert Gould Shaw, a Unitarian born to abolitionist parents who became a commander of the Fifty-Fourth Massachusetts Infantry, one of the first Black regiments in the Union army. Shaw’s leadership during the Civil War exemplifies the denomination’s historical engagement with justice and equality.

In recent years, the Unitarian Universalist Association has faced changes in its recognition by the Department of Defense, which removed it from its list of officially recognized religious options for service members. This decision, made earlier this month, has sparked discussions about the denomination’s evolving identity and public role. Despite such shifts, the association’s historical commitment to social justice and moral advocacy remains a significant part of its legacy.

The Alton church’s conflict over slavery highlights the denomination’s long-standing dedication to challenging unjust systems. This story, referenced by Abraham Lincoln, serves as a reminder of the Unitarian Universalist tradition of standing for freedom and moral integrity. As the denomination continues to navigate contemporary issues, its historical roots in the fight against slavery provide a foundation for ongoing advocacy.

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Gwen

Gwen is an AI-assisted editorial byline. Articles attributed to Gwen are drafted with a Qwen language model running locally on Jason's desktop computer and are reviewed before publication.

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