John L. O'Sullivan

John L. O'Sullivan
O'Sullivan as he appeared on the cover of Harper's Weekly in November 1874. He was then attending a conference in Geneva that sought to create a process of international arbitration in order to prevent wars.
United States Minister to Portugal
In office
June 16, 1854  July 15, 1858
PresidentFranklin Pierce
James Buchanan
Preceded byCharles Brickett Haddock
Succeeded byGeorge W. Morgan
Personal details
BornNovember 15, 1813
At sea (coast of Gibraltar)
DiedMarch 24, 1895 (1895-03-25) (aged 81)
New York City, US
NationalityAmerican
Political partyDemocratic
SpouseSusan Kearny Rodgers
EducationColumbia College
Known forCoining the phrase "Manifest destiny" in 1845

John Louis O'Sullivan (November 15, 1813 – March 24, 1895) was an American columnist, editor, and diplomat who coined the term "manifest destiny" in 1845 to promote the annexation of Texas and the Oregon Country to the United States. O'Sullivan was an influential political writer and advocate for the Democratic Party at that time and served as U.S. minister to Portugal during the administration of President Franklin Pierce (1853–1857).