girl's name
Marilu
- Gender Girl
- Syllables 3
- Letters 6
- Popularity Rare
- Births on record 2,279
Marilu is a girl's name with 3 syllables. In 2025 it was given to 16 babies in the United States. It is a rare choice.
- Peaked in 1991, when 55 babies were given the name.
- It has been falling over the past decade.
- Today about 1 in 207,211 babies in the United States is given this name.
- First appears in US birth records in 1919.
- 3 syllables, with the stress on syllable 1.
Marilu over time
Births per decade in the United States, 1910s to 2020s. The striped bar is the 2020s, still in progress — it covers 2020 to 2025, not a full ten years.
Show the numbers
| Decade | Births |
|---|---|
| 1910s | 5 |
| 1920s | 67 |
| 1930s | 116 |
| 1940s | 136 |
| 1950s | 196 |
| 1960s | 167 |
| 1970s | 225 |
| 1980s | 373 |
| 1990s | 443 |
| 2000s | 282 |
| 2010s | 181 |
| 2020s (to 2025) | 88 |
How popular is Marilu?
In 2025, Marilu was given to 16 babies in the United States. It is a rare choice.
US figures omit any name given to fewer than five babies in a year, so the rarest names are absent from the source rather than absent from use. Data & sources.
Names that peaked alongside Marilu
These names rose and fell in the same era, which is why they tend to sound like they belong together.
Parents who like Marilu also like
Names whose popularity has risen and fallen in step with Marilu over the last century — the same taste, a different name.
Sibling names for Marilu
Names from the same era that won't rhyme or share an initial with Marilu — the two things that make a sibling set grate.
Common questions about Marilu
How popular is the name Marilu?
In 2025, Marilu was given to 16 babies in the United States. It is a rare choice.
Is Marilu a girl's or a boy's name?
Marilu is given almost entirely to girls in birth records.
How many syllables are in Marilu?
Marilu has 3 syllables.
When was Marilu most popular?
Marilu peaked in 1991, when 55 babies were given the name. It has been falling over the past decade.
Is Marilu a good name?
That is not something records can settle, but they can tell you what you would be choosing. Marilu currently ranks #7,070 in the United States. It has been falling over the past decade. Everything else — how it sounds with your surname, who it reminds you of — is yours.