Marlou
Girls' nameMeaning not yet documented
Marlou has been given to 49 babies in the U.S. since 1930. It was used fewer than 5 times in 2025, so it doesn't appear in the latest year's list — today it's a genuinely uncommon pick. Its peak year was 1943, with 7 recorded.
Babies named Marlou, 1960
1 in 831,000
Marlou over time, 1880–2025
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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.
How common is Marlou?
Marlou had fewer than 5 recorded uses in 2025, so these figures use 1960, the last year it was published.
- Among all babies, 1960
- 1 in 831,000
- 5 of 4,153,934 births
- Among girls only
- 1 in 404,000
- <0.01% of girls
- Rank, 1960
- Unranked
- Fewer than 5 uses
- Coin-flip room size
- 575,859 kids
- Even odds of a second one
Where Marlou sits on the popularity scale
Chance at least one other child shares the name
If the other children were drawn at random from the 1960 national name distribution. Real classrooms cluster by region and community, so treat these as a floor, not a ceiling.
Put another way: gather 575,859 children born in 1960 and it's an even bet that one of them is another Marlou. In a class of 30 the chance is Under 1%.
When Marlous were born
Half of everyone ever recorded as Marlou was born before 1947 — so the typical Marlou is around 78 today.
- Biggest decade
- 1940s
- 46.9% of all use
- Born in the last 25 years
- 77.6%
- A modern name
- Recorded since 1950
- 10
- People you could plausibly meet
1940s — 46.9% of all recorded uses (23).
Is Marlou 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
- —
- Not ranked then
- Rank vs 5 years ago
- New entry
- Not ranked then
- Rank vs 10 years ago
- —
- Not ranked then
- Births vs 10 years ago
- —
- Not published both years
- Share of its own peak
- 0%
- Peak was 1943 (7)
- Years since peak
- 82
- Years
- Year-to-year steadiness
- Steady
- 8.3% average annual change
Spellings of Marlou
Marlou is not the most common spelling — Marion is, with 45.3% against Marlou's 0.01%.
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.
Marlou by the numbers
The raw record for each sex the name is used for.
Names similar to Marlou
Matched on shared beginnings and endings, similar length, and comparable popularity.
Sibling names for Marlou
Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.