Meaning and history
Beau means "beautiful" or "handsome" in French and has been a given name since the mid-20th century. Margaret Mitchell used it for Ashley and Melanie's son in Gone with the Wind (1936). Though grammatically masculine in French and uncommon as a name in France, it is used for both sexes in Britain and the Netherlands but mainly for boys in America.
Beau has risen sharply in the modern US rankings, moving from #467 in 2000 to #60 in 2025. It now stands at #60 for boys. That year also produced its highest recorded birth count, at 5,165.