Ciel
Boy name · #4033 in 2025 · Very rare
How old is the name Ciel? In official American birth records, Ciel has been tracked continuously since 2004, giving it 21 years of documented American history.
In 2025, 27 baby boys were named Ciel, placing it at #4033 in the official national rankings. A decade ago it stood at #5507, so the name has been rising over the past ten years. Roughly one in every 66,667 boys born in 2025 was named Ciel.
The 21-year story
Ciel first appears in the Social Security records in 2004, when 5 boys received the name. Its peak came in 2021, when 32 boys were named Ciel — good for #3497 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 Ciel per year. Source: Official national birth records.
Unlock the 5-year forecast and compare Ciel against up to 5 other names.
Uniqueness: will there be another Ciel in class?
On our rarity read — which blends how common Ciel is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Ciel will likely be the only one in the room, with the occasional spelling-out as the price.
Where Ciel is most common
State-level data for Ciel 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 Ciel
Statistically, parents drawn to Ciel tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Kaiel, Axiel, Asriel, Cassiel, and Remiel.
KaielAxielAsrielCassielRemielIzekielJaxielJosiel
Rank history (last 25 years)
| Year | Babies named Ciel | Rank |
|---|---|---|
| 2025 | 27 | #3949 |
| 2024 | 27 | #3986 |
| 2023 | 31 | #3629 |
| 2022 | 26 | #4089 |
| 2021 | 32 | #3497 |
| 2020 | 21 | #4540 |
| 2019 | 25 | #4114 |
| 2018 | 16 | #5540 |
| 2017 | 19 | #4935 |
| 2016 | 23 | #4327 |
| 2015 | 16 | #5507 |
| 2014 | 20 | #4702 |
| 2013 | 17 | #5171 |
| 2012 | 9 | #8158 |
| 2010 | 5 | #12231 |
| 2004 | 5 | #11356 |
Frequently asked questions
How old is the name Ciel?
In official American birth records, the name Ciel first appeared in 2004 (over 21 years ago), when 5 newborn boys received the name. It has been tracked in modern national records for 21 years.
Is Ciel a popular boy name?
Ciel ranked #4033 among boys in 2025 with 27 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #5507.
When was the name Ciel most popular?
Ciel peaked in 2021, when 32 American boys received the name (ranked #3497 that year). Since 2021 the name has declined from that high.
How rare is the name Ciel?
In 2025, roughly 1 in 66,667 newborn American boys was named Ciel. 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.