Lou

“Variant of Louis — Famous in battle” — Frankish via French origin

Girl's name · #2645 in the US (2025) · Comeback

Lou has appeared in US records since 1880 — best rank #122 (1880) · 34,109 babies named Lou all-time · 1 in 25,000 girls born in 2025.

Around the world: #12 in France (2025) · #33 in Belgium (2025) · #91 in Switzerland (2024).

Appears in 2020-2025 birth records of 3 states. See the full state-by-state map on this page.

Famous Lous

Lou Andreas-Salomé — German-Russian essayist, philosopher, and psychoanalyst (1861–1937)
Lou Henry Hoover — First Lady of the United States from 1929 to 1933
Lou Jeanmonnot — French biathlete
Lou Doillon — French actress and singer
Lou Leon Guerrero — Guamanian politician

Among 969 notable people named Lou:

Athletes appear 2× more often than among typical names — e.g. Lou Jeanmonnot, French biathlete.

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