US rank #5635 Boys' name Peak 2023 104 births

Killua — #5635 US boys' name

104 babies named Killua in U.S. Social Security records since 2019, with the highest year being 2023. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

2010s102020s94
#5635
of 14,243 boys in use

More common than 60% of names given to boys today.

2020s
Peak decade

90% of everyone ever named Killua was born in this single decade.

2023
Single peak year

27 babies were named Killua in 2023 — its busiest year on record.

What the Data Says About Killua

The Social Security Administration has registered 104 babies named Killua between 2019 and 2024, spanning 6 consecutive years of U.S. birth records. As a boy's name, Killua currently holds the #5635 rank among boys for 2024. The name reached its historical peak in 2023, when 27 babies received it in a single year.

Decade-level aggregation shows that Killua performed strongest in the 2020s, accumulating 94 births during that ten-year window. Across the 2 decades of recorded activity, Killua shows a stable profile with only moderate drift from its peak decade.

No etymological entry is currently available for Killua in our reference dataset. These figures derive from SSA's annual national and state-level name files, which include any name appearing at least five times in a given year or state-year; names below that threshold are suppressed for privacy and therefore excluded from the totals shown here. The 104 total represents a lower bound — actual usage may be higher in years or states where the count fell below the disclosure floor. This page is provided for informational and research purposes only and does not constitute personal, legal, or naming advice.

Killua at a glance

Outside the top 1,000

Total births

104

Since 2019

6 years of records

Peak year

2023

27 births that year

Strongest decade: 2020s

Current rank

#5,635

Among boys

As of 2024

Active since

2019

Recorded for 6 years

Last year on file: 2024

Killua popularity over time

Annual U.S. births registered with the Social Security Administration · 2024–2019

Outside the top 1,000
Peak year (2023)
27
Annual births at peak — across 6 years of records
51015202530 202420232022202120202019 10

Killua by decade

Total births in each ten-year window — peak vs trough at a glance

Peak: 2020s
Peak decade
2020s
94 births that decade — 90% of Killua's all-time total
2010s102020s94

Frequently Asked Questions

How popular is the name Killua?
104 babies have been named Killua since 2019. It currently ranks #5635 among boys. The peak year was 2023 with 27 births.
When was Killua most popular?
Killua was most popular in the 2020s decade with 94 total births. The single peak year was 2023.
How long has the name Killua been used?
Killua has been recorded in Social Security data since 2019, spanning 6 years of data through 2024.
What names are similar to Killua?
Names with a similar sound or spelling include Killian, Kilian, Kiley, Kile, and 4 more. These share a common prefix and are also used for boys.

Data Sources

Data as of 2024. Source: U.S. Social Security Administration (SSA).

Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications — National Data, 2019–2024 (ssa.gov/oact/babynames). National-level data includes all names with 5 or more occurrences in a given year.

State-level: Source: U.S. Social Security Administration, Baby Names — State-Level Files (namesbystate.zip). Includes all names with 5 or more occurrences per state per year; rarer names are excluded for privacy.