The grandson of slaves, he worked as a paperboy and sold food he salvaged to restaurants. Bunk Johnson taught him how to play by ear when Armstrong was eleven and had dropped out of school.
"Bout Time," a song he wrote in his 60s, was featured in the film Bewitched.
He married Daisy Parker on March 19, 1918 and, after their divorce, he married Lil Armstrong on February 4, 1924. He married Alpha Smith on October 11, 1938, and finally married Lucille Wilson on October 12, 1942.
Bing Crosby was influenced by Armstrong's songs, namely "Lazy River."