Marlo
Boy name · #1713 in 2025 · Very rare
How old is the name Marlo? In official American birth records, Marlo has been tracked continuously since 1915, giving it 110 years of documented American history.
In 2025, 95 baby boys were named Marlo, placing it at #1713 in the official national rankings. A decade ago it stood at #2600, so the name has been rising over the past ten years. Roughly one in every 18,947 boys born in 2025 was named Marlo.
The 110-year story
Marlo first appears in the Social Security records in 1915, when 7 boys received the name. Its all-time peak is essentially right now: 2023, with 106 babies and a rank of #1632. Names at their peak can keep climbing — or be one trend cycle from the long slide that eventually hits most popular names. Following the curve matters more than today's snapshot: a name's position on its rise-peak-decline arc is the best predictor of how common it will feel in a kindergarten class five years from now.
Babies named Marlo per year. Source: Official national birth records.
Unlock the 5-year forecast and compare Marlo against up to 5 other names.
Uniqueness: will there be another Marlo in class?
On our rarity read — which blends how common Marlo is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Marlo will likely be the only one in the room, with the occasional spelling-out as the price.
Where Marlo is most common
State-level data for Marlo is too sparse in 2025 to rank by rate — in most states its count falls below the SSA's per-state reporting threshold (counts under 5 are withheld).
Names like Marlo
Statistically, parents drawn to Marlo tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Carlo, Manolo, Maceo, Danilo, and Shilo.
CarloManoloMaceoDaniloShiloMarlowPauloKarlo
Rank history (last 25 years)
| Year | Babies named Marlo | Rank |
|---|---|---|
| 2025 | 95 | #1708 |
| 2024 | 100 | #1673 |
| 2023 | 106 | #1632 |
| 2022 | 76 | #2000 |
| 2021 | 83 | #1853 |
| 2020 | 80 | #1849 |
| 2019 | 77 | #1917 |
| 2018 | 65 | #2147 |
| 2017 | 49 | #2566 |
| 2016 | 72 | #1991 |
| 2015 | 47 | #2600 |
| 2014 | 56 | #2317 |
| 2013 | 47 | #2562 |
| 2012 | 40 | #2905 |
| 2011 | 41 | #2852 |
| 2010 | 44 | #2730 |
| 2009 | 32 | #3399 |
| 2008 | 37 | #3103 |
| 2007 | 33 | #3313 |
| 2006 | 40 | #2832 |
| 2005 | 25 | #3710 |
| 2004 | 24 | #3735 |
| 2003 | 37 | #2674 |
| 2002 | 28 | #3188 |
| 2001 | 29 | #3061 |
Frequently asked questions
How old is the name Marlo?
In official American birth records, the name Marlo first appeared in 1915 (over 110 years ago), when 7 newborn boys received the name. It has been tracked in modern national records for 110 years.
Is Marlo a popular boy name?
Marlo ranked #1713 among boys in 2025 with 95 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #2600.
When was the name Marlo most popular?
Marlo peaked in 2023, when 106 American boys received the name (ranked #1632 that year). That peak is current — the name is at or near its all-time high right now.
How rare is the name Marlo?
In 2025, roughly 1 in 18,947 newborn American boys was named Marlo. On our rarity scale (rarity blended with momentum) we classify it as "very rare".
Data source: Official American birth records, 1880–2025, national and state files. Counts reflect registered birth records for American families.