Boys' name · since 1994
Kacper
1,102 babies named Kacper in U.S. Social Security records since 1994, with the highest year being 2007. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.
- #4,818 of 45,481
- all-time among boys
- #7,415 of 13,930
- 2025 SSA year
- 1,102
- born since 1994
- 2000s
- peak decade
Yes -- Kacper is the #7415 most popular boys' name in the U.S. today, with 1,102 recorded since 1994.
According to the U.S. Social Security Administration, Kacper has been recorded 1,102 times among boys since 1994, currently ranked #7415 nationally and more common than 47% of boys, with its heaviest use in the 2000s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 1994 to 2025.
- #4,818 of 45,481 all-time among boys
- #7,415 of 13,930 2025 SSA year
- 1,102 born since 1994
- 2000s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Kacper ranks #4,818 of 45,481 boys' names by all-time recorded births (highest first) and #7,415 of 13,930 among boys' names in 2025. 1,102 born since 1994, peaking in the 2000s.
- #4,818 of 45,481
- all-time among boys
- #7,415 of 13,930
- 2025 SSA year
- 1,102
- born since 1994
- 2000s
- peak decade
Kacper's 1,102 recorded births place it above 89.4% of the 45,481 boys names in the full SSA archive.
The state file records this name in 4 jurisdictions, led by Illinois.
How Kacper compares
1,102 Top 30% higher than 70% of 13,930 names currently given to boys
Based on all-time total births among currently-ranked boys names. Names with fewer occurrences are grouped into wider buckets on the right.
Source U.S. Social Security Administration, national baby name data
How the numbers stack up
Kacper's all-time total is 199% above the median boys name, and Liam still leads by a wide margin.
| Metric | Kacper | Median boys name (Takari) | #1 boys name (Liam) |
|---|---|---|---|
| All-time total births | 1,102 | 369 | 358,536 |
| Peak-year births | 88 | 34 | 22,252 |
Kacper's usage pattern, beyond the headline number
Splitting Kacper's full recorded timeline at 2010, 43% of its total births fall in the more recent half of the record versus 57% in the earlier half -- a fairly even split across the full record. Its quietest year on record was 1997, with just 7 recorded births -- worth weighing against the 2007 peak of 88 to see the full range of the name's swing in popularity.
Kacper popularity over time
Annual U.S. births registered with the Social Security Administration · 1994–2025
- Peak year (2007)
- 88
- Annual births at peak, across 32 years of records
Kacper by decade
2000s is the heaviest window (563 births, 51% of the file).
2000s was Kacper's strongest decade.
563 babies received the name during that ten-year window, about 51% of all-time use.
Kacper births by decade
Total births in each ten-year window
- 1990s 63
1990s
63 births
- 2000s
2000s
563 births
- 2010s
2010s
400 births
- 2020s 76
2020s
76 births
What this shows Peak: 2000s at 563 births (51% of all-time use).
How Kacper compares to similarly-sized names
Years in SSA records vs. share of all-time use concentrated in the single peak year, among 15 boys names closest to Kacper's total volume
Kacper by state
Where Kacper concentrates geographically, total births since 1994
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | Illinois | | 541 | 49.1% |
| #2 | New York | | 202 | 18.3% |
| #3 | New Jersey | | 76 | 6.9% |
| #4 | Connecticut | | 17 | 1.5% |
541 of 1,102 births nationwide. Compared to a flat distribution across 4 reporting states.
Frequently Asked Questions
How popular is the name Kacper? ▼
Where does Kacper sit in the SSA name archive? ▼
When was Kacper most popular? ▼
Where is Kacper most popular? ▼
How long has the name Kacper been used? ▼
What names are similar to Kacper? ▼
What to do with Kacper's data
- Kacper's decade-level peak was the 2000s (563 total births); usage has since declined to 76 in the 2020s -- if you're weighing a "classic revival" angle, the trend line argues against it.
- Illinois records the most Kacpers (541 births) -- see the full state breakdown if geography matters to your decision. Illinois names
Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.
Keep exploring Kacper
Nearby Names Like Kacper
Names with a similar sound, spelling, or feel to Kacper
Compare Kacper side by side: Kacper vs Kacey Kacper vs Kace Kacper vs Kacen
Related Names
Names with a similar popularity rank to Kacper
Nationwide names with similar peak year or record span
Two nationwide peer axes for Kacper: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~2007)
Similar record span (~31 yrs)
Peak year is the single SSA year with the most births for that name; record span is first-to-latest year in the national files, not a recommendation or shared origin claim.
Data Sources
Data as of August 2026. Source: U.S. Social Security Administration (SSA).
According to the Social Security Administration, this profile draws directly from the agency's public-use baby-name files (updated June 2026). See our methodology for the full extraction, aggregation, and privacy-suppression rules.
Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications, National Data, 1994–2025 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Name Almanac is rendered directly from the Social Security Administration's public baby-name files, no number is typed in by an editor. This profile for Kacper draws directly on SSA national and state-level files, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of August 2026.