Caylum
#9,880 in 2025Boys' nameMeaning not yet documented
Caylum has been given to 109 babies in the U.S. since 2010. In 2025 it ranked #9,880 of 13,926 boys’ names in use. Its peak year was 2018, with 15 recorded.
Babies named Caylum, 2025
1 in 474,000
Caylum over time, 1880–2025
Based on births in the U.S. Babies given the name each year. Hover the chart — or focus it and use the arrow keys — for any year. Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.
How common is Caylum?
Everything below is computed from the 2025 data — the most recent year available.
- Among all babies, 2025
- 1 in 474,000
- 7 of 3,315,165 births
- Among boys only
- 1 in 244,000
- <0.01% of boys
- Rank, 2025
- #9,880
- of 13,926 boys’ names in use
- Coin-flip room size
- 328,272 kids
- Even odds of a second one
Where Caylum sits on the popularity scale
Chance at least one other child shares the name
If the other children were drawn at random from the 2025 national name distribution. Real classrooms cluster by region and community, so treat these as a floor, not a ceiling.
Put another way: gather 328,272 children born in 2025 and it's an even bet that one of them is another Caylum. In a class of 30 the chance is Under 1%.
When Caylums were born
Half of everyone ever recorded as Caylum was born before 2018 — so the typical Caylum is around 7 today.
- Biggest decade
- 2010s
- 60.6% of all use
- Born in the last 25 years
- 100.0%
- A modern name
- Recorded since 1950
- 109
- People you could plausibly meet
2010s — 60.6% of all recorded uses (66).
Is Caylum rising or falling?
Rank movement and count movement can disagree — the number of distinct names in use keeps growing, so a name holding a steady count still slides down the list. Both are shown.
- Rank vs 1 year ago
- +199
- Places climbed
- Rank vs 5 years ago
- +949
- Places climbed
- Rank vs 10 years ago
- +2,506
- Places climbed
- Births vs 10 years ago
- 1.40×
- More babies than then
- Share of its own peak
- 46.7%
- Peak was 2018 (15)
- Years since peak
- 7
- Years
- Year-to-year steadiness
- Volatile
- 27.4% average annual change
Spellings of Caylum
Caylum is not the most common spelling — Callum is, with 65.9% against Caylum's 0.45%.
Grouped by closeness of spelling (up to two letter changes), same sex, with a floor on all-time use. It catches Sophia/Sofia and Aiden/Ayden, and misses spellings that sound alike but look different, like Sean and Shawn.
Caylum around the world
Where Caylum ranks in official birth records elsewhere in the world. Rankings only — the number of births isn’t comparable between places, so it isn’t shown.
- England & Wales1996–2020#2,960in 2020
- Ireland2003–2015#699in 2015
- South Australia2005–2009#708in 2009
Popularity data from Office for National Statistics, Central Statistics Office and Consumer and Business Services (South Australia). ONS data under Open Government Licence v3.0. CSO, CBS SA data under CC BY 4.0.
Caylum by the numbers
The raw record for each sex the name is used for.
Names similar to Caylum
Matched on shared beginnings and endings, similar length, and comparable popularity.
Sibling names for Caylum
Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.