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William "Duff" Armstrong

Person Multiple Sources Backed by 1 source 1 connection Score: 1/10 (Very Low) 1833-04-26 Also known as: Duff Armstrong
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Entity Types

Defendant in an 1858 murder trial; Lincoln successfully represented him, using an almanac to challenge witness testimony.

Connection Graph

Abraham Lin...William "..

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Mutual Connections

Entities connected to William "Duff" Armstrong through shared intermediaries, but not directly linked.

Person Nancy Hanks Lincoln

Connected via: Abraham Lincoln

Document Hurd v. Rock Island Bridge Company

Connected via: Abraham Lincoln

Person Roger Taney

Connected via: Abraham Lincoln

Organization Conspiracy Museum

Connected via: Abraham Lincoln

Person William Berry

Connected via: Abraham Lincoln

Key Relationships

Represented By

Source Documents & Evidence

📖 Wikipedia - Deep Research (Abraham Lincoln)
“Lincoln represented William "Duff" Armstrong in his 1858 trial for the murder of James Preston Metzker.”
Accessed: 2026-02-21
defendantlegal_case
Added: 2026-02-21 · Updated: 2026-02-21
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