Marius
Boy name · #2541 in 2025 · Uniqueness 80/100
Marius ranks #2541 among American boys' names as of 2025, with 52 newborns given the name that year. A decade ago it stood at #2212, so the name has been falling over the past ten years. Roughly one in every 34,615 boys born in 2025 was named Marius.
The 144-year story
Marius first appears in the Social Security records in 1881, when 5 boys received the name. Its peak came in 2004, when 80 boys were named Marius — good for #1618 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.
Babies named Marius per year, 1880–2025. Source: SSA.
Unlock the 5-year forecast and compare Marius against up to 5 other names.
Uniqueness: will there be another Marius in class?
Marius scores 80 out of 100 on our uniqueness scale, which blends current rarity with five-year momentum — putting it in the "rare" band. A high score means genuine rarity — your Marius will likely be the only one in the room, with the occasional spelling-out as the price.
Where Marius is most common
Geography matters for names, and Marius is no exception. In 2025 the states with the most Mariuss were CA (6), TX (5), VA (5). Raw counts naturally favor populous states, but the spread still hints at where the name is part of the local naming culture.
Names like Marius
Statistically, parents drawn to Marius tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Mateus, Matheus, Angus, Justus, and Jairus.
MateusMatheusAngusJustusJairusZacchaeusGaiusSeamus
Rank history (last 25 years)
| Year | Babies named Marius | Rank |
|---|---|---|
| 2025 | 52 | #2539 |
| 2024 | 57 | #2418 |
| 2023 | 33 | #3474 |
| 2022 | 50 | #2648 |
| 2021 | 58 | #2349 |
| 2020 | 65 | #2139 |
| 2019 | 59 | #2310 |
| 2018 | 67 | #2101 |
| 2017 | 67 | #2065 |
| 2016 | 68 | #2066 |
| 2015 | 61 | #2212 |
| 2014 | 47 | #2582 |
| 2013 | 69 | #1989 |
| 2012 | 58 | #2238 |
| 2011 | 60 | #2173 |
| 2010 | 57 | #2262 |
| 2009 | 64 | #2119 |
| 2008 | 74 | #1932 |
| 2007 | 68 | #2034 |
| 2006 | 57 | #2221 |
| 2005 | 69 | #1854 |
| 2004 | 80 | #1618 |
| 2003 | 79 | #1591 |
| 2002 | 50 | #2125 |
| 2001 | 28 | #3143 |
Frequently asked questions
Is Marius a popular boy name?
Marius ranked #2541 among boys in 2025 with 52 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #2212.
When was the name Marius most popular?
Marius peaked in 2004, when 80 American boys received the name (ranked #1618 that year). Since 2004 the name has declined from that high.
How rare is the name Marius?
In 2025, roughly 1 in 34,615 newborn American boys was named Marius. It scores 80/100 on our uniqueness scale (rarity blended with momentum), which we classify as "rare".
Data source: U.S. Social Security Administration name statistics, 1880–2025, national and state files. Counts reflect Social Security card applications; names with fewer than 5 occurrences in a state-year are suppressed by the SSA.