Lou
girl name#2645 in 2025Lou entered the US charts in 1880, peaked at #122 in 1880, ranks #2645 today — a rare gem few children share.
Popularity 1880–2025
#2645
rank today
#122
peak (1880)
65
babies in 2025
rare
a rare gem few children share
Rank by decade
| Decade | Average rank |
|---|---|
| 1880s | #156 |
| 1890s | #239 |
| 1900s | #295 |
| 1910s | #338 |
| 1920s | #338 |
| 1930s | #275 |
| 1940s | #330 |
| 1950s | #301 |
| 1960s | #612 |
| 1970s | #1620 |
| 1980s | #4761 |
| 1990s | #9922 |
| 2000s | #11906 |
| 2010s | #5861 |
| 2020s | #2833 |
Strongest states
Over the last decade, Lou has been most popular in CA, NY, TX.
Living bearers
About 16,500 people named Lou are estimated to be alive in the US today.
The typical Lou alive today was born around 1941, making them about 84 years old.
Estimated from official SSA birth records and life tables.
Names similar in popularity
Frequently asked questions
- How popular is the name Lou in 2025?
- Lou ranks #2645 among US girl names in 2025, with 65 babies given the name.
- When was the name Lou most popular?
- Lou peaked in 1880, reaching #122 among US girl names.
- Will my child share the name Lou with classmates?
- Lou will almost certainly be the only one in school.
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