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Lou
GirlMeaning of Lou: Germanic: 'famous warrior'
Lou is a girl's name most strongly associated with German naming. It has 3 letters and 1 syllable, and it is familiar but far from overused — 1428th most popular girls' name in the United States in 2025 and 4843rd in England & Wales.
US rank 2025
#1428
146 babies in 2025
England & Wales 2024
#4843
4 babies in 2024
US babies since 1880
38,198
First recorded 1880 · peak 1954
Trend
rising
Style: uncommon
Popularity over time
Gender split
11% boys · 89% girls, based on US, UK and international usage.
Origins & cultures
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Other names starting with L
English · 2 syllables
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Arabic & Persian · 2 syllables
US #38UK #56
Latin · 2 syllables
US #25UK #123
Hebrew · 1 syllable
US #59UK #184
Latin · 2 syllables
US #29UK #48
Greek · 2 syllables
US #97UK #174
Italian · 2 syllables
US #88UK #176
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Latin · 2 syllables
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Spanish · 2 syllables
US #276UK #87
Arabic & Persian · 2 syllables
US #83UK #74