Marilou
girl nameMarilou entered the US charts in 1915, peaked at #769 in 1933, is rarely given today — a rare gem few children share.
Popularity 1915–2025
—
rank today
#769
peak (1933)
0
babies in 2025
rare
a rare gem few children share
Rank by decade
| Decade | Average rank |
|---|---|
| 1910s | #2649 |
| 1920s | #1709 |
| 1930s | #893 |
| 1940s | #943 |
| 1950s | #1217 |
| 1960s | #2480 |
| 1970s | #4569 |
| 1980s | #6362 |
| 1990s | #10004 |
| 2000s | #11996 |
| 2010s | #14557 |
| 2020s | #13246 |
Living bearers
About 1,900 people named Marilou are estimated to be alive in the US today.
The typical Marilou alive today was born around 1948, making them about 77 years old.
Estimated from official SSA birth records and life tables.
Names similar in popularity
Frequently asked questions
- How popular is the name Marilou in 2025?
- Marilou is rarely given in the US today — it does not rank in the top 2000 girl names.
- When was the name Marilou most popular?
- Marilou peaked in 1933, reaching #769 among US girl names.
- Will my child share the name Marilou with classmates?
- Marilou will almost certainly be the only one in school.
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