- Feb 1 Auguste Blanqui, French revolutionary (workers' leader)
- Feb 3 Otto Theodor von Manteuffel, Prussian conservative statesman and Minister-President of the Kingdom of Prussia (1850-88), born in Lübben (Spreewald), Electorate of Saxony (d. 1882)
- Feb 4 William H Ainsworth, English writer (Old St Paul's, Rookwood)
- Feb 13 David Dudley Field II, American lawyer, law codifier, born in Haddam, Connecticut (d. 1894)
- Feb 13 Peter G L Dirichlet, German number theorist/analysist
- Feb 18 Louis Malesherbes Goldsborough, Rear Admiral (Union Navy)
- Feb 20 Angelina Grimke, reformer/abolitionist/politician/lawyer
- Feb 21 David Tod, US diplomat/(Gov-R-Ohio, 1861-63)