Jansen Boy
How popular is Jansen?
#3,378 boy name in 2025
34 baby boys were named Jansen in the US in 2025, making it the 3378th most popular boy name.
Jansen popularity over time
Boys Girls
| Rank in 2025 | #3,378 for boys (▼ 543 from 2024) |
|---|---|
| Babies in 2025 | 34 boys |
| 10-year trend | Falling (-28% babies vs 2015) |
| Earlier ranks | #2,599 in 2015, #3,135 in 2020 |
| Peak year | 1994 (88 boys) |
| Highest rank | #1,227 in 1994 |
| First recorded | 1958 |
| Boys vs girls (last 10 years) | 100% boys, 0% girls |
| Chance a classmate shares it | 0.0% in a class of 25 kids born in 2025 |
Jansen counting every spelling
Social Security counts each spelling as its own name. Adding together the spellings that sound alike, the Jansen family of names ranked #2,104 for boys in 2025 (#1,740 the year before), with 51 babies in all.
| Spelling | Boys in 2025 | Share |
|---|---|---|
| Jansen | 34 | 67% |
| Janson | 17 | 33% |
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 Jansen is most popular
Babies named Jansen per 1,000 boys born in each state, 2021 to 2025. Darker means more common.
- Kentucky: 0.1 per 1,000 (6 boys)
- Missouri: 0.0 per 1,000 (6 boys)
- Pennsylvania: 0.0 per 1,000 (10 boys)
- Texas: 0.0 per 1,000 (6 boys)
Jansen by decade
| Decade | Baby boys | Best rank |
|---|---|---|
| 1950s | 5 | #3,943 |
| 1960s | 37 | #2,616 |
| 1970s | 114 | #2,202 |
| 1980s | 269 | #1,865 |
| 1990s | 531 | #1,227 |
| 2000s | 483 | #1,908 |
| 2010s | 453 | #2,239 |
| 2020s | 232 | #2,835 |
Boy names about as popular as Jansen
Questions
- Is Jansen a boy or girl name?
- Jansen is mostly a boy name. Over the last 10 years, 100% of babies named Jansen were boys.
- How popular is the name Jansen?
- 34 baby boys were named Jansen in the US in 2025, making it the 3378th most popular boy name.
- When was Jansen most popular?
- Jansen peaked in 1994, when 88 boys were given the name. Its highest rank was #1,227 in 1994.
- How many people are named Jansen?
- 2,338 babies have been named Jansen in the US since 1880. We estimate about 2,277 of them are alive in 2026, with a median age of 25.
- Where is Jansen most popular?
- From 2021 to 2025, Jansen was most common in Kentucky, at 0.1 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.