Loui vs Lou

Side-by-side comparison of Loui and Lou — popularity rank, total births, peak decade, and historical trends from Social Security Administration data.

Name A

Loui

Boy name · Rank #7948

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Name B

Lou

Girl name · Rank #2524

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Which name is more popular?

Metric Loui Lou
Current Rank #7948 #2524
Total Births (all years) 141 34,043
Peak Year 2021 1954
Peak Year Births 15 1,495
Peak Decade 2020ss 1950ss
Gender Boy Girl
First Recorded Year 1990 1880

Births by Decade

Decade Loui Lou
1880ss — 1,364
1890ss — 1,283
1900ss — 1,261
1910ss — 2,550
1920ss — 3,930
1930ss — 5,165
1940ss — 4,722
1950ss — 9,084
1960ss — 3,037
1970ss — 767
1980ss — 177
1990ss 34 65
2000ss 25 85
2010ss 26 255
2020ss 56 298

Recent Annual Births (2014–present)

Year Loui Lou
2014 — 22
2015 6 29
2016 — 35
2017 9 30
2018 5 39
2019 6 40
2020 7 43
2021 15 54
2022 12 62
2023 12 69
2024 10 70

Data Sources

Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications — National Data, ssa.gov/oact/babynames.
Source: SSA Annual Name Rankings, 1990–2024.

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