Marilynn
Girl name · #3657 in 2025 · Very rare
How old is the name Marilynn? In official American birth records, Marilynn has been tracked continuously since 1914, giving it 111 years of documented American history.
In 2025, 41 baby girls were named Marilynn, placing it at #3657 in the official national rankings. A decade ago it stood at #2685, so the name has been falling over the past ten years. Roughly one in every 43,902 girls born in 2025 was named Marilynn.
The 111-year story
Marilynn first appears in the Social Security records in 1914, when 7 girls received the name. Its peak came in 1947, when 407 girls were named Marilynn — good for #401 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.
Babies named Marilynn per year. Source: Official national birth records.
Unlock the 5-year forecast and compare Marilynn against up to 5 other names.
Uniqueness: will there be another Marilynn in class?
On our rarity read — which blends how common Marilynn is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Marilynn will likely be the only one in the room, with the occasional spelling-out as the price.
Where Marilynn is most common
State-level data for Marilynn 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 Marilynn
Statistically, parents drawn to Marilynn tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Carolynn, Maryann, Elayne, Maryanne, and Delphine.
CarolynnMaryannElayneMaryanneDelphineJaneyBronwynIlona
Rank history (last 25 years)
| Year | Babies named Marilynn | Rank |
|---|---|---|
| 2025 | 41 | #3645 |
| 2024 | 48 | #3277 |
| 2023 | 45 | #3476 |
| 2022 | 53 | #3073 |
| 2021 | 41 | #3678 |
| 2020 | 53 | #3015 |
| 2019 | 57 | #2891 |
| 2018 | 40 | #3739 |
| 2017 | 69 | #2546 |
| 2016 | 64 | #2697 |
| 2015 | 66 | #2685 |
| 2014 | 84 | #2236 |
| 2013 | 59 | #2870 |
| 2012 | 54 | #3094 |
| 2011 | 37 | #3999 |
| 2010 | 33 | #4397 |
| 2009 | 24 | #5709 |
| 2008 | 33 | #4550 |
| 2007 | 32 | #4567 |
| 2006 | 26 | #5233 |
| 2005 | 26 | #4958 |
| 2004 | 33 | #4172 |
| 2003 | 23 | #5235 |
| 2002 | 28 | #4381 |
| 2001 | 18 | #6067 |
Frequently asked questions
How old is the name Marilynn?
In official American birth records, the name Marilynn first appeared in 1914 (over 111 years ago), when 7 newborn girls received the name. It has been tracked in modern national records for 111 years.
Is Marilynn a popular girl name?
Marilynn ranked #3657 among girls in 2025 with 41 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #2685.
When was the name Marilynn most popular?
Marilynn peaked in 1947, when 407 American girls received the name (ranked #401 that year). Since 1947 the name has declined from that high.
How rare is the name Marilynn?
In 2025, roughly 1 in 43,902 newborn American girls was named Marilynn. 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.