Loudon vs Lou

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

Name A

Loudon

Boy name · Rank #13060

Full profile →
Name B

Lou

Girl name · Rank #2524

Full profile →

Which name is more popular?

Metric Loudon Lou
Current Rank #13060 #2524
Total Births (all years) 109 34,043
Peak Year 2010 1954
Peak Year Births 14 1,495
Peak Decade 2000ss 1950ss
Gender Boy Girl
First Recorded Year 1999 1880

Births by Decade

Decade Loudon 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 5 65
2000ss 52 85
2010ss 47 255
2020ss 5 298

Recent Annual Births (2014–present)

Year Loudon Lou
2014 — 22
2015 — 29
2016 — 35
2017 — 30
2018 — 39
2019 7 40
2020 — 43
2021 — 54
2022 — 62
2023 — 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, 1999–2024.

← Compare different names