Marilu
- US rank
- #6,838
- Syllables
- 3
- Peak
- #1,892 in 1929
16 babies were named Marilu in the US in 2025. It has climbed 2,115 places in five years.
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US births per million girls, 1919–2025
Similar names
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
Did you know?
A few things about Marilu you might not know, from US birth records. Handy for convincing a partner, or a grandparent.
- How commonAbout 1 in every 100,000 baby girls born in the US in 2025 was named Marilu, 16 babies in all. In a typical school of 500 kids, your Marilu would very likely be the only one.
- HistoryMarilu first shows up in US birth records in 1919, the first year at least 5 babies got it. It has been in use for 106 years since.
- Best yearIt was far more popular in 1929, when it ranked #1,892. Today it's #6,838, so it could be due a comeback.
- TrendMarilu has climbed 2,115 places in the US rankings over the last five years and now sits at #6,838. Fast risers like this often keep climbing, so expect to hear it more.
About the name Marilu
Marilu is a girl name of American and Hebrew origin. It has 6 letters and 3 syllables, starting with M and ending in “-ilu”. US birth records list Marilu for girls from 1919 to 2025, in 104 of those 107 years. Its best year was 1929, when it ranked #1,892 among girl names. In 2025 it ranked #6,838, with 16 babies.
Origin:American namesHebrew names
| Decade | Babies per million | About 1 in |
|---|---|---|
| 1910s | 4.4 | 227,273 girls |
| 1920s | 5.7 | 175,131 girls |
| 1930s | 11 | 91,912 girls |
| 1940s | 9.5 | 105,263 girls |
| 1950s | 10 | 98,425 girls |
| 1960s | 9.1 | 109,769 girls |
| 1970s | 15 | 68,353 girls |
| 1980s | 22 | 46,083 girls |
| 1990s | 25 | 40,733 girls |
| 2000s | 15 | 65,488 girls |
| 2010s | 10 | 96,993 girls |
| 2020s | 9.1 | 110,294 girls |
Other spellings of Marilu
More American girl names
- Girl name: Lainey · possibly light
- Girl name: Daisy · day's eye
- Girl name: Josie · he will add
- Unisex name: Kinsley · king's meadow
- Girl name: Sienna · from Siena
- Unisex name: Brooklyn · from Brooklyn, New York
- Girl name: Summer · summer
- Unisex name: Stevie · crown
Questions about the name Marilu
What is the origin of the name Marilu?
Marilu has American, Hebrew roots in our records. Other American names include Lainey, Daisy, Josie.
Is Marilu a boy or girl name?
Marilu is a girl name.
How popular is the name Marilu?
Marilu ranked #6,838 for US girls in 2025, given to 16 babies. Its best year was 1929 (#1,892).