Marlo
Girl name · #1836 in 2025 · Very rare
How old is the name Marlo? In official American birth records, Marlo has been tracked continuously since 1931, giving it 94 years of documented American history.
In 2025, 109 baby girls were named Marlo, placing it at #1836 in the official national rankings. A decade ago it stood at #2382, so the name has been rising over the past ten years. Roughly one in every 16,514 girls born in 2025 was named Marlo.
Babies named Marlo per year. Source: Official national birth records.
The 94-year story
Marlo first appears in the Social Security records in 1931, when 8 girls received the name. Its peak came in 1970, when 593 girls were named Marlo — good for #396 that year. Today's parents encounter it as a name from their grandparents’ generation, which is precisely the vintage window from which names get revived. 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.
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 Marnie, Tracy, Marni, Marla, and Marcy.
MarnieTracyMarniMarlaMarcyJosetteSonyaDina
Rank history (last 25 years)
| Year | Babies named Marlo | Rank |
|---|---|---|
| 2025 | 109 | #1833 |
| 2024 | 119 | #1708 |
| 2023 | 100 | #1965 |
| 2022 | 122 | #1710 |
| 2021 | 102 | #1926 |
| 2020 | 84 | #2156 |
| 2019 | 116 | #1763 |
| 2018 | 99 | #1978 |
| 2017 | 75 | #2401 |
| 2016 | 92 | #2117 |
| 2015 | 77 | #2382 |
| 2014 | 88 | #2154 |
| 2013 | 92 | #2083 |
| 2012 | 103 | #1918 |
| 2011 | 79 | #2346 |
| 2010 | 84 | #2274 |
| 2009 | 71 | #2592 |
| 2008 | 77 | #2462 |
| 2007 | 42 | #3786 |
| 2006 | 59 | #2916 |
| 2005 | 42 | #3509 |
| 2004 | 35 | #3989 |
| 2003 | 36 | #3805 |
| 2002 | 32 | #3978 |
| 2001 | 31 | #4025 |
Frequently asked questions
How old is the name Marlo?
In official American birth records, the name Marlo first appeared in 1931 (over 94 years ago), when 8 newborn girls received the name. It has been tracked in modern national records for 94 years.
Is Marlo a popular girl name?
Marlo ranked #1836 among girls in 2025 with 109 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #2382.
When was the name Marlo most popular?
Marlo peaked in 1970, when 593 American girls received the name (ranked #396 that year). Since 1970 the name has declined from that high.
How rare is the name Marlo?
In 2025, roughly 1 in 16,514 newborn American girls 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.