Name Awesome

Marilu

#7,020 in 2025Girls' name

Meaning and linguistic origin unconfirmed

Marilu has been given to 2,279 babies in the U.S. since 1919. In 2025 it ranked #7,020 of 17,293 girls’ names in use. Its peak year was 1991, with 55 recorded.

Babies named Marilu, 2025

1 in 207,000

Marilu over time, 1880–2025

Girls
020406018801900192019401960198020002020

Based on births in the U.S. Babies given the name each year. Hover the chart — or focus it and use the arrow keys — for any year. Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Marilu: meaning, origin, and history

Meaning and linguistic origin unconfirmed

Deeper origin not confirmed in the cited records

What Marilu means

Marilu is a given name.

The naming story behind Marilu

Wikidata records Marilu as a female given name. The entity identifier is Q25113732, and the classification was checked on 2026-10-20. The spelling matches a source label or alias exactly, without removing accents or linking it to a name merely because the letters look similar.

A database classification is different from an etymological explanation, so those questions remain open in the short meaning.

A modern root explanation needs an additional naming or linguistic reference.

American usage and historical context

In the United States, 2,279 girls were recorded with the name Marilu between 1919 and 2025. Its highest annual count was 55 in 1991; its best national rank was #1,929 in 1929.

Over 5 years its rank rose, from #9,315 in 2020 to #7,020 in 2025. Over 10 years its rank rose, from #8,277 in 2015 to #7,020 in 2025.

Sources & methodologyReferences, data & attribution

Meaning, origin, and language notes draw on the references below.

American popularity figures use published Social Security Administration records for this exact spelling. Counts below five for a name, sex, and year are omitted.

How common is Marilu?

Everything below is computed from the 2025 data — the most recent year available.

Among all babies, 2025
1 in 207,000
16 of 3,315,165 births
Among girls only
1 in 100,000
<0.01% of girls
Rank, 2025
#7,020
of 17,293 girls’ names in use
Coin-flip room size
143,620 kids
Even odds of a second one

Where Marilu sits on the popularity scale

Rarest published (5 a year)#1 — Olivia (13,544)

Chance at least one other child shares the name

If the other children were drawn at random from the 2025 national name distribution. Real classrooms cluster by region and community, so treat these as a floor, not a ceiling.

Class of 20Under 1%
Class of 30Under 1%
Grade of 100Under 1%
School of 500Under 1%

Put another way: gather 143,620 children born in 2025 and it's an even bet that one of them is another Marilu. In a class of 30 the chance is Under 1%.

When Marilus were born

Half of everyone ever recorded as Marilu was born before 1986 — so the typical Marilu is around 39 today.

Median birth year
1986
About 39 years old
Biggest decade
1990s
19.4% of all use
Born in the last 25 years
23.2%
Spread across generations
Recorded since 1950
1,955
People you could plausibly meet
Choose a decade

1990s — 19.4% of all recorded uses (443).

Is Marilu rising or falling?

Rank movement and count movement can disagree — the number of distinct names in use keeps growing, so a name holding a steady count still slides down the list. Both are shown.

Rank vs 1 year ago
+437
Places climbed
Rank vs 5 years ago
+2,295
Places climbed
Rank vs 10 years ago
+1,257
Places climbed
Births vs 10 years ago
1.14×
More babies than then
Share of its own peak
29.1%
Peak was 1991 (55)
Years since peak
34
Years
Year-to-year steadiness
Volatile
31.0% average annual change
Best rank ever
#1,929
1929

Spellings of Marilu

Marilu is not the most common spelling — Maria is, with 25.9% against Marilu's 0.10%.

Grouped by closeness of spelling (up to two letter changes), same sex, with a floor on all-time use. It catches Sophia/Sofia and Aiden/Ayden, and misses spellings that sound alike but look different, like Sean and Shawn.

Where Marilu is used

Across 1910–2025, Marilu was most concentrated in California — about 1 in 33,333 girls, against 1 in 61,952 across all states with data. It was least common in New York (1 in —).

03 per 100,000

Most concentrated

  1. 1California1 in 33,333
  2. 2Texas1 in 50,000
  3. 3Illinois1 in 100,000
  4. 4Florida1 in —
  5. 5Michigan1 in —
  6. 6New York1 in —

Shading is the share of that state's recorded girls given this name, not the raw count — otherwise the map would just show which states are biggest. Unshaded states have no published records for this period. U.S. birth records suppress state-year counts below 5; state counts therefore don't add up to the national total. Every state links to its full rankings. Marilu has too little recent state data to map, so this covers all years from 1910.

Notable people named Marilu

People whose public names include Marilu, backed by Wikidata given-name records and ordered by linked Wikimedia pages. The name may be a middle name.

People data from Wikidata (CC0). Fame is measured, not judged — the order reflects how widely each person is documented, not the U.S. birth records popularity this page is otherwise about.

Marilu in other languages

Cross-language forms and variants of Marilu. Linked forms have their own page here.

Marilou

Variant forms from Wikidata (CC0). Most are used mainly outside the United States; U.S. birth records statistics cover US usage only.

Marilu by the numbers

The raw record for each sex the name is used for.

As a girl's name

Rank in 2025
#7,020
Trend vs 5 yrs ago
Up 2,295
Best rank ever
#1,929
1929
Peak year
1991
55 that year
First recorded
1919
Last recorded
2025
All-time count
2,279
Count in 2025
16

Names similar to Marilu

Matched on shared beginnings and endings, similar length, and comparable popularity.

MaryahMariyaMarlowMarelyMarlinMarkieMaryanMarikoMarenaMartieMareliMarlieMaryaMarahMariamaMaritaMarwaMarvelMarineMarlenMarayaMarisMartineMarry

Names with a curve like Marilu

Not spelling — timing. These names rose, peaked and faded in the same years as Marilu, so they read as being from the same moment even when they look nothing alike.

JeanelleJannetKarlynNedaLucilaPricillaJacquelynnJanieceSulemaMichalMaryelizabethNidia

Sibling names for Marilu

Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.

Explore around Marilu

Top names of 1991, Marilu's peak yearThe 1990s in fullOther names that peaked in 1929Girls' names starting with M