Alexander Cummings McWhorter Pennington
Member of theU.S. House of Representatives fromNew Jersey's5th district
In office March 4, 1853 – March 3, 1857
Preceded by	Rodman M. Price
Succeeded by	Jacob R. Wortendyke
Member of theNew Jersey General Assembly
In office 1837-1838
Personal details
Born	July 2, 1810 Newark, New Jersey, US
Died	January 25, 1867(1867-01-25) (aged 56) New York City, US
Political party	Whig (first term) Opposition Party (second term)
Spouse	Ann Johnston Kennedy Pennington (m. February 11, 1836)
Profession	Politician

Alexander Cummings McWhorter Pennington Sr. (July 2, 1810,Newark, New Jersey – January 25, 1867,New York City) was an AmericanWhig Party /Opposition Party politician who representedNew Jersey's 5th congressional district in theUnited States House of Representatives from 1853 to 1857.

Born inNewark, New Jersey, July 2, 1810, he attended theUnited States Military Academy,West Point, New York, from 1826 to 1828. He went on to study law, was admitted to the bar in 1833, and commenced practice inNewark. He was elected a member of theNew Jersey General Assembly in 1837 and 1838. He served as alderman of Newark from 1837 to 1840.

Pennington was elected as a Whig to the Thirty-third Congress and reelected as an Opposition Party candidate to the Thirty-fourth Congress, serving in Congress from March 4, 1853, to March 3, 1857. He served as chairman of theCommittee on Foreign Affairs in the Thirty-fourth Congress.

After leaving the Congress, he moved to New York City, where he died January 25, 1867.

He was a grand nephew of 6thGovernor of New JerseyWilliam Sandford Pennington, and a cousin of 13th New Jersey Governor and 27th Speaker of theU.S. House of RepresentativesWilliam Pennington. His son,Alexander Cummings McWhorter Pennington, Jr., was a brigadier general in theUnited States Army and veteran of both theAmerican Civil War andSpanish–American War.

• Pennington, Alexander Cummings Macwhorter. Election of speaker. [Washington: Printed at the office of the Congressional Globe, 1856].
• ———. [Speech of] Hon. A. C. M. Pennington, of New Jersey, on the assault by Mr. Brooks on Mr. Sumner. Delivered in the House of Representatives, July 10, 1856. Washington: Printed at the Congressional Globe Office, 1856.

• Works by or about Alexander C. M. Pennington at theInternet Archive
• United States Congress."Alexander C. M. Pennington (id: P000213)".Biographical Directory of the United States Congress.
• Alexander Cumming McWhorter Pennington atThe Political Graveyard
• "Alexander Cumming McWhorter Pennington".Find a Grave. Retrieved3 September 2010.

• 1810 births
• 1867 deaths
• Politicians from Newark, New Jersey
• Whig Party members of the United States House of Representatives from New Jersey
• New Jersey Oppositionists
• Opposition Party members of the United States House of Representatives from New Jersey
• Members of the New Jersey General Assembly
• United States Military Academy alumni
• Burials at Mount Pleasant Cemetery (Newark, New Jersey)
• Lawyers from Newark, New Jersey
• 19th-century American lawyers
• Military personnel from Newark, New Jersey
• 19th-century members of the United States House of Representatives
• 19th-century members of the New Jersey Legislature

• Articles with short description
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• Use dmy dates from April 2022
• Articles with Internet Archive links