Louiza vs Lou

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

Name A

Louiza

Girl name · Rank #15398

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Name B

Lou

Girl name · Rank #2524

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Which name is more popular?

Metric Louiza Lou
Current Rank #15398 #2524
Total Births (all years) 100 34,043
Peak Year 1923 1954
Peak Year Births 9 1,495
Peak Decade 2020ss 1950ss
Gender Girl Girl
First Recorded Year 1915 1880

Births by Decade

Decade Louiza Lou
1880ss — 1,364
1890ss — 1,283
1900ss — 1,261
1910ss 15 2,550
1920ss 21 3,930
1930ss 5 5,165
1940ss — 4,722
1950ss — 9,084
1960ss — 3,037
1970ss — 767
1980ss — 177
1990ss 10 65
2000ss 15 85
2010ss 10 255
2020ss 24 298

Recent Annual Births (2014–present)

Year Louiza Lou
2014 5 22
2015 — 29
2016 — 35
2017 5 30
2018 — 39
2019 — 40
2020 — 43
2021 6 54
2022 6 62
2023 7 69
2024 5 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, 1915–2024.

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