Caelum
Boy name · #1696 in 2025 · Very rare
Caelum is currently the #1696 boy name in the United States — 97 babies received it in 2025. A decade ago it stood at #3775, so the name has been rising over the past ten years. Roughly one in every 18,557 boys born in 2025 was named Caelum.
The 30-year story
Caelum first appears in the Social Security records in 1995, when 5 boys received the name. Its all-time peak is essentially right now: 2025, with 97 babies and a rank of #1688. 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 Caelum per year. Source: SSA.
Unlock the 5-year forecast and compare Caelum against up to 5 other names.
Uniqueness: will there be another Caelum in class?
On our rarity read — which blends how common Caelum is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Caelum will likely be the only one in the room, with the occasional spelling-out as the price.
Where Caelum is most common
State-level data for Caelum 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 Caelum
Statistically, parents drawn to Caelum tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Kallum, Calum, Taytum, Cypress, and Karam.
KallumCalumTaytumCypressKaramCaisenWisdomAvrum
Rank history (last 25 years)
| Year | Babies named Caelum | Rank |
|---|---|---|
| 2025 | 97 | #1688 |
| 2024 | 75 | #2028 |
| 2023 | 63 | #2244 |
| 2022 | 64 | #2243 |
| 2021 | 65 | #2173 |
| 2020 | 66 | #2113 |
| 2019 | 78 | #1899 |
| 2018 | 85 | #1792 |
| 2017 | 41 | #2891 |
| 2016 | 25 | #4098 |
| 2015 | 28 | #3775 |
| 2014 | 16 | #5485 |
| 2013 | 23 | #4180 |
| 2012 | 26 | #3894 |
| 2011 | 30 | #3510 |
| 2010 | 30 | #3531 |
| 2009 | 22 | #4429 |
| 2008 | 14 | #6070 |
| 2007 | 13 | #6262 |
| 2006 | 9 | #7998 |
| 2005 | 11 | #6634 |
| 2004 | 8 | #8143 |
| 2002 | 6 | #9392 |
| 2001 | 10 | #6445 |
| 2000 | 7 | #8209 |
Frequently asked questions
Is Caelum a popular boy name?
Caelum ranked #1696 among boys in 2025 with 97 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #3775.
When was the name Caelum most popular?
Caelum peaked in 2025, when 97 American boys received the name (ranked #1688 that year). That peak is current — the name is at or near its all-time high right now.
How rare is the name Caelum?
In 2025, roughly 1 in 18,557 newborn American boys was named Caelum. 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.