Boy · #1,003 in 2026

Kilian

Name: Popularity of the name Kilian in U.S. births, 1880–2026
Creator: U.S. Social Security Administration
License: https://www.ssa.gov/foia/
Keywords: Kilian, baby name, popularity, U.S., SSA, rankings

Killian or Kilian, as a given name, is an Anglicized version of the Irish name Cillian. The name Cillian was borne by several early Irish saints including missionaries to Artois (France) and Franconia (Germany) and the author of the life of St Brigid.

Current Rank

#1,003

Peak Rank

#1,003 (2026)

Total Babies

5-Yr Trend

+34%

1997

First Year

2019

Last Year

2011

Peak Year

#14823

Peak Rank

Total Count

Years Active

Meaning & Origin of Kilian

What this name means, where it came from, and how it has traveled across cultures.

Source: Wikipedia (CC BY-SA 3.0). Read more →

The Story of Kilian

Kilian first appeared in U.S. Social Security Administration records as a baby boy name in 1970, with 5 babies given the name that year. Its peak popularity came in 2026, when 223 Kilians were born — ranking #1,003 that year. As of 2026, Kilian ranks #1,003 for baby boys with 223 births, rising sharply (+34% over the past five years). In total, more than 3K Kilians have been born in the U.S. since records began in 1880, spanning the 1970s through the 2020s.

Popularity Over Time

Popularity by State

Top 10

11-50

51-100

101-500

500+

No data

Names that sound like Kilian

Phonetically similar names — useful when Kilian is the vibe but a different syllable count or letter feel might suit better. Linked entries have a profile on Peek a Name.

Kalian
Cailean
Calean
Killian
Killion
Killen
Killeen
Cleon
Kalium
Killoran
Kilman
Kilton

Source: Datamuse . Phonetic similarity ranking, not curated.

Frequently Asked Questions about Kilian

What does the name Kilian mean?

How popular is Kilian in 2026?

In 2026, Kilian ranks #1,003 among boys' names in the U.S., with 223 babies given the name that year.

When was Kilian most popular?

Kilian reached its peak popularity in 2026, ranking #1,003 that year with 223 babies given the name.

In which U.S. states is Kilian most popular?

Kilian has historically been most popular in Puerto Rico, Utah, Massachusetts. Rankings vary year to year, but these states show the strongest concentration of births named Kilian.

Is Kilian a unisex name?

In U.S. Social Security records, Kilian is primarily a boy's name. We don't have meaningful data for it as a girl's name.

What names go well with Kilian?

Names that share a similar style or popularity range with Kilian include Orie, Ester, Bertil. These pairings are based on rank proximity and naming era in U.S. data.

About the name Kilian

Kilian is a boy baby name tracked by the U.S. Social Security Administration. It first appeared in SSA records in 1970 and has accumulated 3K births in the dataset. Kilian's peak popularity came in 2026 when it ranked #1,003. Use the chart and map above to compare Kilian's trajectory across years and U.S. states, or browse the related names section to discover similar choices.

Continue exploring

Data sources

Birth statistics (counts, ranks, years 1880–2026) — U.S. Social Security Administration . Predictions for years not yet released by SSA are computed by Peek a Name from historical trends; we update with official data as soon as it ships.
Etymology, cultural origins, and related forms — Behind the Name (used under their public API terms).
Meaning prose and editorial summary — Wikipedia article extracts, licensed under CC BY-SA 3.0 .
Predicted nationality distribution — Nationalize.io .
Phonetically similar names — Datamuse .

Peek a Name aggregates and presents the above data for informational purposes. Statistical predictions and external attributions are clearly labelled where shown; we make no guarantee of accuracy beyond what each source provides.