Marly
Girl name · #5126 in 2025 · Very rare
How old is the name Marly? In official American birth records, Marly has been tracked continuously since 1949, giving it 76 years of documented American history.
In 2025, 25 baby girls were named Marly, placing it at #5126 in the official national rankings. A decade ago it stood at #3767, so the name has been falling over the past ten years. Roughly one in every 72,000 girls born in 2025 was named Marly.
Babies named Marly per year. Source: Official national birth records.
The 76-year story
Marly first appears in the Social Security records in 1949, when 6 girls received the name. Its peak came in 2008, when 89 girls were named Marly — good for #2218 that year. Today's parents encounter it on its way down the popularity curve, which for many parents is exactly the appeal. 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 Marly against up to 5 other names.
Uniqueness: will there be another Marly in class?
On our rarity read — which blends how common Marly is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Marly will likely be the only one in the room, with the occasional spelling-out as the price.
Where Marly is most common
State-level data for Marly 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 Marly
Statistically, parents drawn to Marly tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Orly, Mariely, Charly, Kaily, and Heily.
OrlyMarielyCharlyKailyHeilyMailyMazzyMagaly
Rank history (last 25 years)
| Year | Babies named Marly | Rank |
|---|---|---|
| 2025 | 25 | #5099 |
| 2024 | 43 | #3575 |
| 2023 | 26 | #4999 |
| 2022 | 31 | #4472 |
| 2021 | 30 | #4507 |
| 2020 | 23 | #5314 |
| 2019 | 26 | #5041 |
| 2018 | 31 | #4458 |
| 2017 | 45 | #3436 |
| 2016 | 45 | #3464 |
| 2015 | 40 | #3767 |
| 2014 | 43 | #3585 |
| 2013 | 59 | #2870 |
| 2012 | 44 | #3583 |
| 2011 | 34 | #4244 |
| 2010 | 64 | #2752 |
| 2009 | 63 | #2800 |
| 2008 | 89 | #2218 |
| 2007 | 46 | #3531 |
| 2006 | 56 | #3017 |
| 2005 | 48 | #3212 |
| 2004 | 42 | #3490 |
| 2003 | 35 | #3869 |
| 2002 | 30 | #4179 |
| 2001 | 51 | #2844 |
Frequently asked questions
How old is the name Marly?
In official American birth records, the name Marly first appeared in 1949 (over 76 years ago), when 6 newborn girls received the name. It has been tracked in modern national records for 76 years.
Is Marly a popular girl name?
Marly ranked #5126 among girls in 2025 with 25 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #3767.
When was the name Marly most popular?
Marly peaked in 2008, when 89 American girls received the name (ranked #2218 that year). Since 2008 the name has declined from that high.
How rare is the name Marly?
In 2025, roughly 1 in 72,000 newborn American girls was named Marly. 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.