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Portrait of Thomas Pratt, Former U.S. Senator from Maryland
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Historical · U.S. Senate · Maryland

Thomas Pratt

Former U.S. Senator from Maryland · 1850–1857 · Ind. Republican-Democrat · Class 1

Thomas Pratt represented Maryland in the United States Senate (1850–1857) for the Ind. Republican-Democrat party. The page below collects sourced biographical facts, term history, committee roles, and provenance for Pratt.

Bioguide ID: P000506

Key facts

Full name
Thomas Pratt
State
Maryland
Party
Ind. Republican-Democrat
Senate class
Class I
Senate service
1850–1857
First Senate term
1850
Status
Left office
Current term ends
Born
1804
Bioguide ID
P000506
Committee assignments
Dataset version
20260602

Biographical narrative

833 words · sourced from the Wikipedia REST extract

Thomas Pratt was a prominent lawyer and politician from Maryland who served as a U.S. Senator from 1850 to 1857. He was affiliated with the Independent Republican-Democrat party and previously held the office of the 27th governor of Maryland from 1845 to 1848. Pratt's political career was marked by his involvement in state and national issues, particularly those related to slavery and state governance. He was born on February 18, 1804, and passed away on November 9, 1869.

Early life and career

Thomas Pratt was born in Georgetown, Maryland, which is now part of Washington, D.C. He completed his early education through preparatory studies and attended Georgetown University. There is some speculation that he may have also attended the College of New Jersey, now known as Princeton University, although this has not been definitively established. After pursuing a legal education, Pratt was admitted to the bar and began practicing law in Upper Marlboro, Maryland, in 1823.

On September 1, 1835, Pratt married Adeline MacKubin Kent, the daughter of former Maryland Governor Joseph Kent. The couple had five children together. His political career began in earnest when he served as a member of the Maryland House of Delegates from 1832 to 1835. He also participated in the presidential election of 1836 as a presidential elector on the Whig ticket for William Henry Harrison. In 1836, he was appointed president of the Governor's Council, a position he held until the office was abolished the following year.

Pratt's political ascent continued when he was elected to the Maryland State Senate, becoming the first directly elected senator from Prince George's County. He served in this capacity from 1838 to 1843. In 1844, he was nominated as the Whig party candidate for governor. His campaign focused on addressing the state's significant debt, and he won the election by a narrow margin against his opponent, James Carroll.

Senate tenure

Pratt's tenure as governor ended in 1848, after which he returned to the practice of law in Annapolis. However, in 1850, he was nominated by the Maryland legislature to fill the U.S. Senate seat vacated by Reverdy Johnson, who had resigned to become Attorney General under President Zachary Taylor. Pratt was officially seated in the Senate on January 12, 1850, and was re-elected in 1851. He served until March 3, 1857.

During his time in the Senate, Pratt aligned himself with the Democratic Party, particularly supporting James Buchanan in the 1856 presidential election following the dissolution of the Whig party. His political stance was influenced by the changing dynamics of the time, as he navigated the complexities of a nation increasingly divided over issues of slavery and states' rights. The Silver Gray or Old Line faction of the Whigs and the American Party supported former President Millard Fillmore, who won the state of Maryland in that election. Ultimately, Pratt's Senate career concluded with the election of Anthony Kennedy, who succeeded him.

Legislative focus and committees

Throughout his Senate career, Pratt's legislative focus was shaped by the political climate of the antebellum period. His pro-slavery stance and alignment with Southern interests became particularly notable as tensions escalated leading up to the Civil War. Pratt's political affiliations and actions during this time were scrutinized, especially given his support for pro-Southern policies.

Pratt's involvement in the Senate coincided with significant national debates, particularly regarding the Fugitive Slave Law and the tensions between Northern and Southern states. His earlier experiences as governor had already exposed him to the contentious issues surrounding slavery, especially in relation to Pennsylvania's refusal to comply with the Fugitive Slave Law during his governorship. This conflict highlighted the growing divide between states and foreshadowed the larger national crisis that would soon unfold.

As the Civil War approached, Pratt's political affiliations became increasingly controversial. His staunch pro-slavery views led to suspicion from Maryland authorities, particularly after he had a son who served in the Confederate Army. In 1863, Pratt attempted to vote in the November election but was barred from doing so due to his refusal to take a loyalty oath. This incident culminated in his arrest alongside his secretary, Colonel Nicholson, on November 21, 1863. He was subsequently imprisoned at Fort Monroe but was released later.

After the war, Pratt returned to Baltimore, where he resumed his legal practice. He remained active in politics, serving as a delegate to the Democratic National Convention in 1864 and attending the National Union Convention in Philadelphia in 1866. Notably, he was one of the attorneys representing Jefferson Davis during his trial at Fortress Monroe. Despite his continued involvement in political matters, Pratt was unsuccessful in his bid for re-election to the Senate in 1867.

Thomas Pratt died on November 9, 1869, in Baltimore, Maryland. He was interred in St. Anne's Cemetery in Annapolis. His political career, marked by significant roles at both the state and federal levels, reflects the complexities of a nation grappling with profound issues of governance, rights, and regional tensions during a pivotal period in American history.

Notable legislation

Sponsored and co-sponsored legislation for Thomas Pratt is pending operator curation. The biographical narrative above carries the same provenance trail until per-bill rows are written.

Sources

  1. [1]https://en.wikipedia.org/wiki/Thomas_Pratt_(Maryland_politician)wikipedia · retrieved 2026-06-02

Notable quotes

Sourced quotes for Thomas Pratt are pending operator curation. Narrative-scope provenance remains attached below.

Sources

  1. [1]https://en.wikipedia.org/wiki/Thomas_Pratt_(Maryland_politician)wikipedia · retrieved 2026-06-02

Key positions

Curated policy positions for Thomas Pratt are pending operator review. The biographical narrative above carries the same provenance trail until per-topic positions are written.

Sources

  1. [1]https://en.wikipedia.org/wiki/Thomas_Pratt_(Maryland_politician)wikipedia · retrieved 2026-06-02

Terms served

  1. 18501851U.S. Senate · Term 1 · Ind. Republican-Democrat · Class I
  2. 18511857U.S. Senate · Term 2 · Ind. Republican-Democrat · Class I

Sources & provenance

Every attributable claim above carries a per-section [N] marker that resolves to the corresponding URL below. Each entry records the upstream provider, the canonical URL, and the timestamp at which the source was retrieved by the ingest pipeline.

Find your senator

Every U.S. state elects two senators. Browse Maryland’s delegation, the full former-senator roster, or explore the role and term length.