- Jan 1 William Clowes, English printer (d. 1847)
- Jan 5 Stephen Decatur, American naval hero (War of 1812), born in Sinepuxent, Maryland (d. 1820)
- Jan 5 Zebulon Pike, American brigadier general and explorer (Pike's Peak), born in Lamington, New Jersey (d. 1813)
- Jan 15 Jean Coralli, French ballet producer and choreographer (Giselle), born in Paris, France (d. 1854)
Peter Mark Roget (1779-1869)
Jan 18 British lexicographer (Roget's Thesaurus) and inventor (slide rule, pocket chessboard), born in London
20-29
30-39
40-49
50-59
80-89
Over 90