Lou

↑ Rising

Mostly a girl name · 89% girls / 11% boys since 1880

All-time babies

38,198

since 1880

Girls rank, 2025

#2645

65 babies

Boys rank, 2025

#1919

81 babies

Peak year (girls)

1954

1,495 babies, #204

Letters

3

1 syllable

Babies named Lou per year

Popularity rank over time

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Names that sound like Lou

Lee 295,926 babies ever Leo 262,124 babies ever Leah 256,954 babies ever Lea 34,468 babies ever Louie 33,338 babies ever Lia 28,516 babies ever Leia 18,778 babies ever Lue 7,169 babies ever Loy 4,983 babies ever Lu 4,081 babies ever Liah 2,711 babies ever Liya 2,375 babies ever