James Madison Porter
American politician (1793-1862)

James Madison Porter (January 6, 1793 – November 11, 1862) was an American politician who served as the 18th United States Secretary of War and a founder of Lafayette College.
Porter began his career studying law in 1809 and later became a clerk in the prothonotary's office in an effort to manage a volunteer militia company at Fort Mifflin. Porter was admitted to the bar in 1813 and later appointed to attorney general for Northampton County, Pennsylvania. He was a professor of jurisprudence and political economy at Lafayette College (1837-1852), a judge of the twelfth judicial district (1839), ad interim U.S. Secretary of War under President John Tyler (1843), and was elected as a member of the Pennsylvania House of Representatives in 1849.
Early life and education
James Madison Porter was born on January 6, 1793, in Norristown, Pennsylvania at his father's estate known as Selma. He was the son of General Andrew Porter and Elizabeth Parker Porter, and was the youngest of thirteen children. James and his older brother, Judge Robert Porter, were home schooled during their early years and later attended Norristown Academy to continue their adolescent education.
Career
Military service
Porter began his military career in 1809 as an office clerk at the request of his father, who served as the Surveyor General of Pennsylvania at the time. His time spent as an office clerk proved to be beneficial in allowing him to acquire the knowledge that would lead him to enter the law office of John Passmore, Esquire. Porter was settled in Philadelphia in 1813 when rumors spread across the city that the British were coming during the War of 1812.
The public source identifies “James Madison Porter” as american politician (1793-1862). This brief keeps that definition visible, then builds a research path around James, Madison and Porter.
Why this record matters
A short description can identify a subject without explaining its stakes. For “James Madison Porter”, the useful work is to connect “american politician (1793-1862)” to the records capable of establishing context and consequence.
The entry’s evidential value lies in the named roles, institutions and publications that can be tested against primary documentation. The source revision retrieved here is dated Apr 6, 2026. The linked authority identifier is Q331036. The first chronological checks are 1793, 1862, 1809 and 1813.
A concise life account rarely captures disputed attribution, private networks or the changing language used to describe a career. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
How to read it
Read biographical claims against dates, named institutions and the cited references. Distinguish a subject’s later reputation from evidence produced during their lifetime.
- Establishing names and roles
- Building a first chronology
- Locating cited institutions
Personal papers, civil or court records, institutional files and the scholarship cited by the source.
Three-step research path
- Establish the record: confirm the title “James Madison Porter”, its source revision and the description used here.
- Expand the search: follow James Madison Porter primary sources, James Madison Porter archive and James research across catalogues and specialist indexes.
- Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.
Questions for further research
- Which source most directly establishes the central claim about “James Madison Porter”?
- Which primary records establish identity, chronology and institutional ties?
- Which claims depend on a single source or contested interpretation?
Search terms from this dossier
This entry incorporates text from “James Madison Porter” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.