Thomas Pratt (Maryland politician)

Thomas George Pratt
United States Senator
from Maryland
In office
January 12, 1850  March 4, 1857
Preceded by David Stewart
Succeeded by Anthony Kennedy
27th Governor of Maryland
In office
January 6, 1845  January 3, 1848
Preceded by Francis Thomas
Succeeded by Philip F. Thomas
Member of the Maryland House of Delegates
In office
Personal details
Born (1804-02-18)February 18, 1804
Georgetown, Maryland, US
Died November 9, 1869(1869-11-09) (aged 65)
Baltimore, Maryland, US
Political party Whig, Democrat
Spouse(s) Adelaide MacKubin Kent
Alma mater Georgetown University
Profession Politician, Lawyer

Thomas George Pratt (February 18, 1804  November 9, 1869) was a lawyer and politician from Annapolis, Maryland. He was the 27th Governor of Maryland from 1845 to 1848 and a U.S. Senator from 1850 to 1857.

Early life and career

Pratt was born in Georgetown, Maryland (now a part of Washington, D.C.), completed preparatory studies, and attended Georgetown University. He is believed to have attended the College of New Jersey (now Princeton University) at some point, but this has yet to be proven. He studied law, was admitted to the bar, and commenced practice in Upper Marlboro, Maryland in 1823. Pratt married and had five children with Adeline MacKubin Kent, daughter of Maryland governor Joseph Kent, on 1 Sept., 1835.

Pratt served as a member of the Maryland House of Delegates from 1832 to 1835, and as a presidential elector on the Whig ticket for William Henry Harrison in 1836. He was appointed president of the Governor's Council in 1836, serving until the position was abolished the following year. Pratt was elected a member of the Maryland State Senate, the first directly-elected senator from Prince George's County, Maryland, and served from 1838 to 1843. In 1844, Pratt was nominated as a candidate for governor representing the Whig party. He campaigned with the promise of resolving the serious state debt, and defeated his opponent, James Carroll, by a margin of a mere 548 votes.

Governor of Maryland

Pratt immediately announced several long-term objectives, namely the immediate payment of the serious debt of the state. To raise state funds, Pratt put into effect direct taxes on the population by the government, an unpopular decision at the time, which nevertheless repopulated the state's treasury and allowed the repayment of the debt.

Thomas Pratt

The most serious problems of Pratt's administration came with relations to the northern neighbor state of Pennsylvania, which refused to comply with the Fugitive Slave Law. In 1847, when Maryland requested the return of several escaped slaves, Pennsylvania's governor bluntly refused, and, with the support of his attorney-general, went as far as to declare certain acts issued by the Maryland General Assembly to be unconstitutional. Two more incidents of this nature occurred during Pratt's tenure as governor, one involving the death of a slaveholder who was ambushed in Pennsylvania by abolitionists as he and his party returned to Maryland with their re-captured slaves. It was during this time that Pratt began to move away from the Whig party and more towards the Democratic Party.

In terms of transportation, Pratt favored the extension of the Baltimore and Ohio Railroad into Ohio, rather than supporting canals. Pratt also strongly encouraged peaceful and speedy resolution over the dispute between Great Britain and the United States regarding the Oregon Territory, stating that "no part of the Union would, in the event of war, be more exposed than Maryland".

U.S. Senator and later life

Pratt's term as governor expired in 1848, and he briefly returned to practicing law in Annapolis, Maryland. The state legislature, however, nominated him in 1850 to assume the U.S. Senate seat left vacated by Reverdy Johnson, who had resigned to become Attorney General of the United States in the cabinet of President Zachary Taylor. He was reelected in 1851 and served from January 12, 1850, to March 4, 1857. As senator, Pratt supported Democrat James Buchanan in the 1856 presidential election, following the dissolution of the Whig party.

When the American Civil War began, Pratt was eyed suspiciously by Maryland authorities, as he was staunchly pro-slavery, but mostly pro-South, and even gave a son to the Confederate Army. In 1863, Pratt tried to vote in the November election. He was not allowed to vote because he would not take a loyalty oath. Pratt and his secretary Col. Nicholson were arrested because of the refusal on November 21, 1863. He was imprisoned at Fort Monroe,[1] but was later released. He moved to Baltimore, Maryland in 1864, resuming the practice of law. The same year, Pratt served as a delegate to the Democratic National Convention. In 1866, he attended the National Union Convention in Philadelphia. Pratt was one of the attorneys for Jefferson Davis during his trial at Fortress Monroe.[2] He was an unsuccessful candidate for election to the United States Senate in 1867, and died in Baltimore in 1869. He is interred in St. Anne’s Cemetery of Annapolis.


  1. Pratt, Thomas George. "Thomas G. Pratt to Edwin M. Stanton, Saturday, November 28, 1863 (Pratt's treatment during recent elections in Maryland)." The Abraham Lincoln Papers at the Library of Congress. November 28, 1861. (accessed December 11, 2012).
  2. Blackford, Charles M. The Trials and Trial of Jefferson Davis. Vol. XXIX, in Southern Historical Society, edited by R. A. Brock, 45-81. Richmond, VA: William Ellis, 1901, p. 62.


Political offices
Preceded by
Francis Thomas
Governor of Maryland
January 6, 1845  January 3, 1848
Succeeded by
Philip F. Thomas
United States Senate
Preceded by
David Stewart
U.S. Senator (Class 1) from Maryland
January 12, 1850  March 4, 1857
Served alongside: James A. Pearce
Succeeded by
Anthony Kennedy
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