Unisex name · since 1931
Marlo
Since 1931, U.S. Social Security records show 7,264 babies named Marlo, peaking in 1970. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.
- #2,030 of 72,339
- all-time among girls
- #1,836 of 17,297
- 2025 SSA year
- 7,264
- born since 1931
- 1970s
- peak decade
7,264 babies have been named Marlo since 1931, making it today's #1836 unisex name.
According to the U.S. Social Security Administration, Marlo has been recorded 7,264 times among girls since 1931, currently ranked #1836 nationally and more common than 89% of girls, with its heaviest use in the 1970s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 1931 to 2025.
- #2,030 of 72,339 all-time among girls
- #1,836 of 17,297 2025 SSA year
- 7,264 born since 1931
- 1970s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Marlo ranks #2,030 of 72,339 girls' names by all-time recorded births (highest first) and #1,836 of 17,297 among girls' names in 2025. 7,264 born since 1931, peaking in the 1970s.
- #2,030 of 72,339
- all-time among girls
- #1,836 of 17,297
- 2025 SSA year
- 7,264
- born since 1931
- 1970s
- peak decade
Marlo's 7,264 recorded births place it above 97.19% of the 72,339 girls names in the full SSA archive.
38 jurisdictions carry state-level records, led by California.
How Marlo compares
7,264 Top 11% higher than 89% of 17,297 names currently given to girls
Based on all-time total births among currently-ranked girls names. Names with fewer occurrences are grouped into wider buckets on the right.
Source U.S. Social Security Administration, national baby name data
How the numbers stack up
Marlo's all-time total is 19x the median girls name, and Olivia still leads by a wide margin.
| Metric | Marlo | Median girls name (Kyann) | #1 girls name (Olivia) |
|---|---|---|---|
| All-time total births | 7,264 | 376 | 567,345 |
| Peak-year births | 593 | 21 | 19,840 |
Marlo's usage pattern, beyond the headline number
Splitting Marlo's full recorded timeline at 1981, 38% of its total births fall in the more recent half of the record versus 62% in the earlier half -- the name was more prevalent in its earlier era than it is today. Its quietest year on record was 1939, with just 6 recorded births -- worth weighing against the 1970 peak of 593 to see the full range of the name's swing in popularity.
Marlo popularity over time - girls
Annual U.S. births registered with the Social Security Administration · 1931–2025
- Peak year (1970)
- 593
- Annual births at peak, across 95 years of records
Marlo popularity over time - boys
3,680 total births recorded since 1915 (Marlo as boys' name)
Marlo by decade
1970s is the heaviest window (2,546 births, 35% of the file).
1970s was Marlo's strongest decade.
2,546 babies received the name during that ten-year window, about 35% of all-time use.
Marlo births by decade
Total births in each ten-year window
- 1930s 36
1930s
36 births
- 1940s 105
1940s
105 births
- 1950s 113
1950s
113 births
- 1960s
1960s
1,603 births
- 1970s
1970s
2,546 births
- 1980s 530
1980s
530 births
- 1990s 329
1990s
329 births
- 2000s 461
2000s
461 births
- 2010s 905
2010s
905 births
- 2020s 636
2020s
636 births
What this shows Peak: 1970s at 2,546 births (35% of all-time use).
How Marlo compares to similarly-sized names
Years in SSA records vs. share of all-time use concentrated in the single peak year, among 15 girls names closest to Marlo's total volume
Marlo by state
Where Marlo concentrates geographically, total births since 1931
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | California | | 887 | 12.2% |
| #2 | Texas | | 415 | 5.7% |
| #3 | New York | | 381 | 5.2% |
| #4 | Pennsylvania | | 328 | 4.5% |
| #5 | Illinois | | 277 | 3.8% |
| #6 | Michigan | | 270 | 3.7% |
| #7 | Ohio | | 268 | 3.7% |
| #8 | Florida | | 166 | 2.3% |
887 of 7,264 births nationwide. Compared to a flat distribution across 38 reporting states.
Marlo appears in 38 states. Explore state details →
Frequently Asked Questions
How popular is the name Marlo? ▼
Where does Marlo sit in the SSA name archive? ▼
When was Marlo most popular? ▼
Where is Marlo most popular? ▼
Is Marlo a unisex name? ▼
How long has the name Marlo been used? ▼
What names are similar to Marlo? ▼
What to do with Marlo's data
- Marlo's decade-level peak was the 1970s (2,546 total births); usage has since declined to 636 in the 2020s -- if you're weighing a "classic revival" angle, the trend line argues against it.
- California records the most Marlos (887 births) -- see the full state breakdown if geography matters to your decision. California names
Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.
Keep exploring Marlo
Nearby Names Like Marlo
Names with a similar sound, spelling, or feel to Marlo
Compare Marlo side by side: Marlo vs Mary Marlo vs Margaret Marlo vs Maria
Related Names
Names with a similar popularity rank to Marlo
Nationwide names with similar peak year or record span
Two nationwide peer axes for Marlo: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~1970)
Similar record span (~94 yrs)
Peak year is the single SSA year with the most births for that name; record span is first-to-latest year in the national files, not a recommendation or shared origin claim.
Data Sources
Data as of August 2026. Source: U.S. Social Security Administration (SSA).
According to the Social Security Administration, this profile draws directly from the agency's public-use baby-name files (updated June 2026). See our methodology for the full extraction, aggregation, and privacy-suppression rules.
Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications, National Data, 1931–2025 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Name Almanac is rendered directly from the Social Security Administration's public baby-name files, no number is typed in by an editor. This profile for Marlo draws directly on SSA national and state-level files, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of August 2026.