Is Kieran a boy or girl name?

Kieran is primarily a boy name in U.S. records: about 8% of recorded births are female.

What is the average age of someone named Kieran?

The average Kieran alive today is an estimated 18 years old. People named Kieran were most often born around 2025.

When was the name Kieran most popular?

Kieran peaked in 2025 with 828 recorded births in the United States.

What vibe does the name Kieran have?

In one report's words: soft-spoken, collegiate, streamlined. Kieran ranks #1909 among all U.S. first names since 1880.

Kieran — Name Meaning, Age & Vibe

UNDERSTAND YOUR NAME

Origin & Meaning

AI-Written

Anglicized from the Irish name Ciarán, derived from ciar, meaning dark or black-haired. It was borne by two prominent early Irish saints, including Saint Ciarán of Clonmacnoise in the sixth century. The name trickled into American records in 1918 before finding wider footing toward the turn of the millennium.

Also answers toKier

Fig. 1 — Births per annum, 1918–2025

SSA Data

1918 peak: 828 souls, A.D. 2025 2025

2025: 828 born, rising ↑

Estimated Age

18 yrs

Most Kierans were born around 2025 — learned to read on a touchscreen.

Peak Reign

2025

№389 that year

Generation

Gen Alpha, 43%

then Gen Z 41% · Millennial 11%

Rarity

Top 2000 all-time

≈19K ever born · now rising

Full Name Rarity — 🔒 Full Nameprint — $4.99

How many Americans share Kieran ______?

The band verdict is free. The Full Nameprint — the complete report — is $4.99, one-time. What's in it →

Estimates from SSA birth records and standard survival rates. Immigration and name changes not counted.

Kieran grew up with

SSA Data

self-checkout beeps·a screen that always answers back·podcasts in the car seat

Generation Distribution — Living Kierans

SSA Data

Gen X 4%Millennial 11%Gen Z 41%Gen Alpha 43%

Data vs. Humans

What the data says

SSA Data

SSA: Kieran peaked in 2025.

Estimated average age: 18.

What people think

Opinion Ledger

Awaiting human data — cast the first votes.

Kieran sounds like someone born in —

Fig. 2 — Style Coordinates

AI Seed · Votes Override at n=30

Vintage Modern

Formal Casual

Soft Strong

Cast your vote No account · one tap

In your mind, Kieran sounds more like a —

Voting opens when the ledger goes live. No account. 24h cooldown per question.

Public Opinion Ledger

Ledger Opens Soon

The public has not yet weighed in on Kieran. Early ballots carry the most weight.

First Impressions

AI-Written

A Kieran is almost certainly young enough to still be dealing with school schedules or a first lease. The name reads as modern and Atlantic-crossing without carrying the heavy consonant clatter of mid-century imports. It suggests someone who owns a lightweight shell jacket and rarely gets mistaken for a Kevin anymore.

Field Notes

AI-Written

Field Note 01

Over eighty percent of living Kierans belong to Generation Z or Generation Alpha.

Field Note 02

Despite first appearing in the federal register in 1918, the name reached its peak count over a century later in 2025.

Field Note 03

About eight percent of American babies given the name have been girls, though the spelling has settled primarily on the boys' ledger.

Notable Kierans

AI-Written

Kieran Culkinactor, b. 1982

Kieran Trippierfootballer, b. 1990

Adjacent Names

Declan · Ronan · Callum · Cormac · Rowan · Finnegan

Ephemera — If Kieran were a…

AI-Written

City

Burlington

Color

Lichen green

Job

Audio technician

And what of your name?