Baby Names US
boys' name ★ peaked 2023

Kilian

Meaning A male given name from Irish, variant of Killian Gender Boy · 1% girls Rank 2025 #1,167 Trend ↑ Rising 44%

A male given name from Irish, variant of Killian.

Rank 2025
#1,167
among boys · ↓114 vs 2024
Babies in 2025
177
named Kilian · -15% vs 2024
How common
1 in 9,650
boys born in 2025
Peak year
2023
212 babies
All-time total
2,717
#2,733 all-time among boys
First recorded
1970
in Social Security records

Kilian popularity over time

2,717 babies have been named Kilian since 1970, according to official Social Security records. Switch measure to see births per year or the yearly rank.

Measure
Births per 1,000 babies of that sex, comparable across eras
0.040.080.110.1518801900192019401960198020002020BoysGirls
BoysGirls

By decade. Change compares yearly averages, so the current partial decade is on equal footing. Best rank is the name's best yearly rank within the decade.

Decade Girls Boys Total Per year Change Best rank
1880s – – – – – –
1890s – – – – – –
1900s – – – – – –
1910s – – – – – –
1920s – – – – – –
1930s – – – – – –
1940s – – – – – –
1950s – – – – – –
1960s – – – – – –
1970s – 37 37 4 – #4,135
1980s – 33 33 3 -11% #4,416
1990s 5 218 223 22 +576% #2,577
2000s 5 315 320 32 +43% #2,642
2010s 17 1,006 1,023 102 +220% #1,161
2020s (to 2025) – 1,081 1,081 180 +76% #1,032

Where Kilian is heading

A five-year projection from the recent trend in births per 1,000 boys (damped so it flattens over time), converted to babies at today's birth totals. The implied rank places that projection in the 2025 field. A projection, not a promise: real trends bend.

Year Projected babies Per 1,000 boys Implied rank
2026 187 0.11 outside top 500
2027 195 0.11 outside top 500
2028 203 0.12 outside top 500
2029 210 0.12 outside top 500
2030 216 0.13 outside top 500

Where Kilian is most popular

Boys named Kilian per 1,000 boys born in each state, 2021–2025. National average: 0.107 per 1,000. Strongest in Virginia, Maryland, and Washington.

Vs national average
well below below near national above well above no data

All 50 states and DC, sorted by rate. Counts are boys named Kilian born 2021–2025; the per-1,000 rate makes states of different sizes comparable, and the last column shows each state against the national average.

State Boys 2021–2025 Per 1,000 vs national
Virginia 41 0.216 +101%
Maryland 19 0.159 +48%
Washington 26 0.159 +48%
New York 65 0.150 +40%
Colorado 19 0.147 +37%
Pennsylvania 38 0.143 +33%
Utah 13 0.136 +27%
California 124 0.136 +26%
Florida 62 0.131 +22%
Tennessee 22 0.122 +14%
Illinois 30 0.117 +9%
Texas 98 0.111 ≈ national
North Carolina 27 0.106 ≈ national
Wisconsin 12 0.101 -6%
Arizona 16 0.098 -9%
Massachusetts 11 0.080 -25%
New Jersey 14 0.070 -35%
Georgia 12 0.047 -56%
Ohio 11 0.042 -61%
Missouri 5 0.036 -66%
Alaska – – –
Alabama – – –
Arkansas – – –
Connecticut – – –
District of Columbia – – –
Delaware – – –
Hawaii – – –
Iowa – – –
Idaho – – –
Indiana – – –
Kansas – – –
Kentucky – – –
Louisiana – – –
Maine – – –
Michigan – – –
Minnesota – – –
Mississippi – – –
Montana – – –
North Dakota – – –
Nebraska – – –
New Hampshire – – –
New Mexico – – –
Nevada – – –
Oklahoma – – –
Oregon – – –
Rhode Island – – –
South Carolina – – –
South Dakota – – –
Vermont – – –
West Virginia – – –
Wyoming – – –

State counts come from the Social Security Administration's state files, which omit any state-year with fewer than five babies of a name, so small states can undercount slightly.

The story of Kilian

Kilian is uncommon for boys in the United States, ranked #1,167 in 2025 with 177 babies given the name. It is currently rising compared with a decade ago.

Since 1970, 2,717 American babies have been named Kilian. Its peak came in 2023, when 212 newborns received the name, the signature sound of the 2020s.

The chart above shows the full history: the popularity view (births per 1,000 babies) is the honest comparison across generations, since total US births have changed enormously since 1880. Switch to the rank view to see where Kilian stood among all boys' names in any year, or use the compare tool to plot it against other names.

How old are people named Kilian?

The median living Kilian is about 7 years old; half are between 3 and 14. An estimated 2,700 people named Kilian are alive in the United States today.

median 7 020406080100

Estimated from births per year and Social Security period life tables; an approximation of the living age distribution, by age in years.

Kilian year by year

Every year since 2001, and five-year steps back to 1880. Rank is within each sex.

Year Girls Girls rank Boys Boys rank
2025 – – 177 #1,167
2024 – – 209 #1,053
2023 – – 212 #1,032
2022 – – 161 #1,223
2021 – – 168 #1,176
2020 – – 154 #1,223
2019 6 #14,742 132 #1,359
2018 – – 145 #1,273
2017 – – 162 #1,161
2016 – – 161 #1,180
2015 – – 132 #1,337
2014 – – 91 #1,686
2013 – – 41 #2,825
2012 – – 59 #2,225
2011 6 #15,859 40 #2,932
2010 5 #18,516 43 #2,811
2009 – – 47 #2,642
2008 – – 44 #2,772
2007 – – 36 #3,163
2006 – – 35 #3,127
2005 – – 26 #3,678
2004 5 #17,523 32 #3,122
2003 – – 21 #4,059
2002 – – 20 #4,129
2001 – – 32 #2,903
2000 – – 22 #3,711
1995 – – 25 #2,890
1990 – – 18 #3,395
1985 – – – –
1980 – – – –
1975 – – 8 #4,135
1970 – – 5 #5,108
1965 – – – –
1960 – – – –
1955 – – – –
1950 – – – –
1945 – – – –
1940 – – – –
1935 – – – –
1930 – – – –
1925 – – – –
1920 – – – –
1915 – – – –
1910 – – – –
1905 – – – –
1900 – – – –
1895 – – – –
1890 – – – –
1885 – – – –
1880 – – – –

Famous people named Kilian

The most globally famous bearers of the name, ranked by fame across Wikipedia editions (Pantheon project, MIT).

  1. 1 Kilian Ignaz Dientzenhofer Kilian Ignaz Dientzenhofer Czech architect 1689–1751 · 17th century

Portraits from Wikipedia (Wikimedia Commons).

Frequently asked questions

Quick answers about Kilian, drawn from the same Social Security data as the charts above.

How old is the average Kilian?

The median living Kilian is about 7 years old. Half of all living Kilians are between 3 and 14 years old.

How many people named Kilian are alive today?

An estimated 2,700 people named Kilian are alive in the United States, based on 2,717 recorded births and Social Security life tables.

What does the name Kilian mean?

A male given name from Irish, variant of Killian.

How popular is the name Kilian in 2025?

Kilian ranked #1,167 among boys' names in the United States in 2025, with 177 babies given the name, according to Social Security Administration data.

How many people are named Kilian?

2,717 babies have been named Kilian in the United States since 1970, based on Social Security card applications.

When was the name Kilian most popular?

Kilian peaked in 2023, when 212 newborns received the name.

Is Kilian a boy or girl name?

Kilian is overwhelmingly a boy's name: 99% of babies with the name.

Is the name Kilian rising or falling?

Kilian is on the rise, noticeably more popular now than a decade ago.

Will Kilian become more popular?

Kilian is trending upward. If the recent trend holds, we project roughly 216 boys named Kilian in 2030, which would rank outside the top 500. Forecasts assume the current trend continues and become less certain further out.

Who are famous people named Kilian?

Well-known people named Kilian include Kilian Ignaz Dientzenhofer (architect).

Names like Kilian

Names that sound and feel close to Kilian: shared sounds, similar era, similar popularity. Each links to its full history.

Compare Kilian with similar names → More names starting with K →