Kassius
Boy name · #2255 in 2025 · Uniqueness 84/100
Kassius is currently the #2255 boy name in the United States — 63 babies received it in 2025. A decade ago it stood at #2722, so the name has been rising over the past ten years. Roughly one in every 28,571 boys born in 2025 was named Kassius.
The 24-year story
Kassius first appears in the Social Security records in 2001, when 5 boys received the name. Its all-time peak is essentially right now: 2022, with 124 babies and a rank of #1457. Names at their peak can keep climbing — or be one trend cycle from the long slide that eventually hits most popular names. 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 Kassius per year, 1880–2025. Source: SSA.
Unlock the 5-year forecast and compare Kassius against up to 5 other names.
Uniqueness: will there be another Kassius in class?
Kassius scores 84 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 Kassius will likely be the only one in the room, with the occasional spelling-out as the price.
Where Kassius is most common
State-level data for Kassius is sparse in 2025 — the name's footprint is too small for most states to report (the SSA suppresses counts under 5 per state for privacy).
Names like Kassius
Statistically, parents drawn to Kassius tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Sirius, Kaius, Ignatius, Arius, and Klaus.
SiriusKaiusIgnatiusAriusKlausTiberiusNiklausCassius
Rank history (last 25 years)
| Year | Babies named Kassius | Rank |
|---|---|---|
| 2025 | 63 | #2230 |
| 2024 | 84 | #1891 |
| 2023 | 106 | #1632 |
| 2022 | 124 | #1457 |
| 2021 | 117 | #1514 |
| 2020 | 103 | #1579 |
| 2019 | 116 | #1479 |
| 2018 | 84 | #1809 |
| 2017 | 88 | #1746 |
| 2016 | 54 | #2387 |
| 2015 | 44 | #2722 |
| 2014 | 31 | #3456 |
| 2013 | 34 | #3189 |
| 2012 | 22 | #4390 |
| 2011 | 21 | #4509 |
| 2010 | 23 | #4241 |
| 2009 | 17 | #5334 |
| 2008 | 10 | #7698 |
| 2007 | 18 | #4996 |
| 2006 | 8 | #8732 |
| 2004 | 7 | #8927 |
| 2003 | 8 | #7831 |
| 2001 | 5 | #10556 |
Frequently asked questions
Is Kassius a popular boy name?
Kassius ranked #2255 among boys in 2025 with 63 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #2722.
When was the name Kassius most popular?
Kassius peaked in 2022, when 124 American boys received the name (ranked #1457 that year). That peak is current — the name is at or near its all-time high right now.
How rare is the name Kassius?
In 2025, roughly 1 in 28,571 newborn American boys was named Kassius. It scores 84/100 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.