Boys' name · since 1970

Kilian

Kilian has 2,690 recorded births since 1970 in federal Social Security data, most heavily in 2023 -- full year-by-year trend, decade aggregates, and state rankings follow.

#2,733 of 45,481
all-time among boys
#1,167 of 13,930
2025 SSA year
2,690
born since 1970
2020s
peak decade

2,690 babies have been named Kilian since 1970, making it today's #1167 boys' name.

Kilian has 2,690 recorded births among boys since 1970, per the U.S. Social Security Administration, ranked #1167 as of the latest data, more common than 92% of boys, busiest in the 2020s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1970 to 2025.

  • #2,733 of 45,481 all-time among boys
  • #1,167 of 13,930 2025 SSA year
  • 2,690 born since 1970
  • 2020s peak decade

Data updated Aug 2026

The verdict

According to the U.S. Social Security Administration, Kilian ranks #2,733 of 45,481 boys' names by all-time recorded births (highest first) and #1,167 of 13,930 among boys' names in 2025. 2,690 born since 1970, peaking in the 2020s.

#2,733 of 45,481
all-time among boys
#1,167 of 13,930
2025 SSA year
2,690
born since 1970
2020s
peak decade
0%100%Median name50%91.6%
Kilian vs. every other boys name in current SSA rankings
Above the archive median
All-time archive position

Kilian's 2,690 recorded births place it above 93.98% of the 45,481 boys names in the full SSA archive.

21 jurisdictions
State-record footprint

21 jurisdictions carry state-level records, led by California.

How Kilian compares

2,690 Top 19% higher than 81% 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

Kilian's all-time total is 7x the median boys name, and Liam still leads by a wide margin.

Metric Kilian Median boys name (Takari) #1 boys name (Liam)
All-time total births 2,690 369 358,536
Peak-year births 212 34 22,252

Kilian's usage pattern, beyond the headline number

Kilian splits its recorded history at 2003: 87% of all births land in the more recent half, 13% in the earlier half, a lean toward present-day use rather than a passing spike. The single quietest year was 1970 (5 births) -- compare that against the 2023 peak of 212 for a sense of just how much the name's popularity has swung.

Kilian popularity over time - boys

Annual U.S. births registered with the Social Security Administration · 1970–2025

Outside the top 1,000
Peak year (2023)
212
Annual births at peak, across 56 years of records
050100150200250 197019821992199820042010201620222025 177

Kilian popularity over time - girls

27 total births recorded since 1997 (Kilian as girls' name)

Unisex variant - 27 births
4.555.566.5 19972004201020112019 6

Kilian by decade

2020s is the heaviest window (1,081 births, 40% of the file).

2020s was Kilian's strongest decade.

1,081 babies received the name during that ten-year window, about 40% of all-time use.

Kilian births by decade

Total births in each ten-year window

births

What this shows Peak: 2020s at 1,081 births (40% of all-time use).

Source U.S. Social Security Administration · Baby Names As of August 2026

How Kilian 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 Kilian's total volume

Kilian vs 15 similarly-sized boys names Scatter plot of 16 data points. 2%4%6%8%10% 050100150200 New & already peakedOld name, single-era peakNew & still diversifyingLong history, steady all along Years in SSA records % of total births in the single peak year -111, 5.5%-133, 7.6%-52, 5.4%-50, 4.9%-63, 3.1%-69, 4%-53, 7.6%-146, 3.3%-53, 5%-77, 2.8%-109, 7.3%-51, 6.9%-113, 5.8%-33, 7.6%-50, 8.5%Kilian-56, 7.9%Kilian
Kilian vs 15 similarly-sized boys names

Kilian by state

Where Kilian concentrates geographically, total births since 1970

Geographically diffuse
Top 8 states by recorded births for the name Kilian
Rank State Visual share Births Share of total
#1 California
301 11.2%
#2 Texas
197 7.3%
#3 Florida
138 5.1%
#4 New York
125 4.6%
#5 Pennsylvania
72 2.7%
#6 Virginia
64 2.4%
#7 Washington
56 2.1%
#8 Illinois
42 1.6%
California share of Kilian's total US births 11.2%
Even split

301 of 2,690 births nationwide. Compared to a flat distribution across 21 reporting states.

Kilian appears in 21 states. Explore state details →

Frequently Asked Questions

How popular is the name Kilian?
2,690 babies have been named Kilian since 1970. All-time, it sits at #2,733 of 45,481 boys' names by recorded births. In 2025, it ranks #1,167 of 13,930 among boys. The peak year was 2023 with 212 births.
Where does Kilian sit in the SSA name archive?
According to the U.S. Social Security Administration, Kilian ranks #2,733 of 45,481 boys' names by all-time recorded births (highest first) and #1,167 of 13,930 among boys' names in 2025. All-time ordinal matches browse popularity (total births DESC); the current ordinal uses the 2025 SSA file. See /methodology#corpus-placement.
When was Kilian most popular?
Kilian was most popular in the 2020s decade with 1,081 total births. The single peak year was 2023.
Where is Kilian most popular?
The top states for the name Kilian are California (301 births), Texas (197 births), Florida (138 births).
How long has the name Kilian been used?
The SSA has tracked Kilian since 1970 -- 56 years through the most recent 2025 data.
What names are similar to Kilian?
Names with a similar sound or spelling include Killian, Kiley, Kile, Kilan, and 4 more. These share a common prefix and are also used for boys.

What to do with Kilian's data

  • California records the most Kilians (301 births) -- see the full state breakdown if geography matters to your decision. California names

Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.

Keep exploring Kilian

Nearby Names Like Kilian

Names with a similar sound, spelling, or feel to Kilian

Names with a similar popularity rank to Kilian

Nationwide names with similar peak year or record span

Two nationwide peer axes for Kilian: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.

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, 1970–2025 (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 Kilian 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.