Calum Boy
How popular is Calum?
#799 boy name in 2025
313 baby boys were named Calum in the US in 2025, making it the 799th most popular boy name.
Calum popularity over time
| Rank in 2025 | #799 for boys (▲ 105 from 2024) |
|---|---|
| Babies in 2025 | 313 boys |
| 10-year trend | Rising fast (+312% babies vs 2015) |
| Earlier ranks | #1,910 in 2015, #928 in 2020 |
| Peak year | 2025 (313 boys) |
| Highest rank | #799 in 2025 |
| First recorded | 1978 |
| Boys vs girls (last 10 years) | 100% boys, 0% girls |
| Chance a classmate shares it | 0.2% in a class of 25 kids born in 2025 |
Calum counting every spelling
Social Security counts each spelling as its own name. Adding together the spellings that sound alike, the Callum family of names ranked #112 for boys in 2025 (#145 the year before), with 3,461 babies in all.
| Spelling | Boys in 2025 | Share |
|---|---|---|
| Callum | 2,995 | 87% |
| Calum | 313 | 9% |
| Kallum | 114 | 3% |
| Kalum | 23 | 1% |
| Kaylum | 9 | 0% |
| Caylum | 7 | 0% |
Spellings are grouped by how they sound, using our own rules, so a few groupings may not match how your family says the name.
Where Calum is most popular
Babies named Calum per 1,000 boys born in each state, 2021 to 2025. Darker means more common.
Calum by decade
| Decade | Baby boys | Best rank |
|---|---|---|
| 1970s | 5 | #5,769 |
| 1980s | 33 | #5,158 |
| 1990s | 288 | #1,984 |
| 2000s | 496 | #2,113 |
| 2010s | 1,023 | #919 |
| 2020s | 1,661 | #799 |
Boy names about as popular as Calum
Questions
- Is Calum a boy or girl name?
- Calum is mostly a boy name. Over the last 10 years, 100% of babies named Calum were boys.
- How popular is the name Calum?
- 313 baby boys were named Calum in the US in 2025, making it the 799th most popular boy name.
- When was Calum most popular?
- Calum peaked in 2025, when 313 boys were given the name. Its highest rank was #799 in 2025.
- How many people are named Calum?
- 3,506 babies have been named Calum in the US since 1880. We estimate about 3,478 of them are alive in 2026, with a median age of 7.
- Where is Calum most popular?
- From 2021 to 2025, Calum was most common in Utah, at 0.6 of every 1,000 boys born there.
Source: Social Security Administration baby name data, 1880 to 2025 (names given to at least 5 babies of a sex in a year). Living-people and median-age figures are our estimates using US life tables. How we calculate.