Arius
Boy name · #2701 in 2025 · Very rare
Arius is currently the #2701 boy name in the United States — 48 babies received it in 2025. A decade ago it stood at #1910, so the name has been falling over the past ten years. Roughly one in every 37,500 boys born in 2025 was named Arius.
Babies named Arius per year. Source: SSA.
The 43-year story
Arius first appears in the Social Security records in 1982, when 6 boys received the name. Its peak came in 2021, when 83 boys were named Arius — good for #1853 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 Arius against up to 5 other names.
Uniqueness: will there be another Arius in class?
On our rarity read — which blends how common Arius is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Arius will likely be the only one in the room, with the occasional spelling-out as the price.
Where Arius is most common
State-level data for Arius 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 Arius
Statistically, parents drawn to Arius tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Sirius, Gaius, Kassius, Tiberius, and Tidus.
SiriusGaiusKassiusTiberiusTidusIgnatiusAbbasCaius
Rank history (last 25 years)
| Year | Babies named Arius | Rank |
|---|---|---|
| 2025 | 48 | #2676 |
| 2024 | 52 | #2559 |
| 2023 | 60 | #2315 |
| 2022 | 57 | #2438 |
| 2021 | 83 | #1853 |
| 2020 | 54 | #2419 |
| 2019 | 52 | #2525 |
| 2018 | 49 | #2579 |
| 2017 | 52 | #2450 |
| 2016 | 48 | #2587 |
| 2015 | 76 | #1910 |
| 2014 | 56 | #2317 |
| 2013 | 43 | #2715 |
| 2012 | 24 | #4131 |
| 2011 | 30 | #3510 |
| 2010 | 36 | #3128 |
| 2009 | 21 | #4582 |
| 2008 | 18 | #5067 |
| 2007 | 26 | #3893 |
| 2006 | 17 | #5072 |
| 2005 | 16 | #5034 |
| 2004 | 9 | #7536 |
| 2003 | 9 | #7245 |
| 2002 | 8 | #7643 |
| 2001 | 16 | #4676 |
Frequently asked questions
Is Arius a popular boy name?
Arius ranked #2701 among boys in 2025 with 48 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #1910.
When was the name Arius most popular?
Arius peaked in 2021, when 83 American boys received the name (ranked #1853 that year). Since 2021 the name has declined from that high.
How rare is the name Arius?
In 2025, roughly 1 in 37,500 newborn American boys was named Arius. On our rarity scale (rarity blended with momentum) we classify it as "very 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.