Cullan

Boys' name

Meaning not yet documented

Cullan has been given to 329 babies in the U.S. since 1980. It was used fewer than 5 times in 2025, so it doesn't appear in the latest year's list — today it's a genuinely uncommon pick. Its peak year was 1994, with 22 recorded.

Babies named Cullan, 2019

1 in 579,000

Cullan over time, 1880–2025

Boys
010203018801900192019401960198020002020

Based on births in the U.S. Babies given the name each year. Hover the chart — or focus it and use the arrow keys — for any year. Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

How common is Cullan?

Cullan had fewer than 5 recorded uses in 2025, so these figures use 2019, the last year it was published.

Among all babies, 2019
1 in 579,000
6 of 3,472,229 births
Among boys only
1 in 299,000
<0.01% of boys
Rank, 2019
Unranked
Fewer than 5 uses
Coin-flip room size
401,129 kids
Even odds of a second one

Where Cullan sits on the popularity scale

Rarest published (5 a year)#1 — Liam (20,818)

Chance at least one other child shares the name

If the other children were drawn at random from the 2019 national name distribution. Real classrooms cluster by region and community, so treat these as a floor, not a ceiling.

Class of 20Under 1%
Class of 30Under 1%
Grade of 100Under 1%
School of 500Under 1%

Put another way: gather 401,129 children born in 2019 and it's an even bet that one of them is another Cullan. In a class of 30 the chance is Under 1%.

When Cullans were born

Half of everyone ever recorded as Cullan was born before 2000 — so the typical Cullan is around 25 today.

Median birth year
2000
About 25 years old
Biggest decade
1990s
36.2% of all use
Born in the last 25 years
76.0%
A modern name
Recorded since 1950
329
People you could plausibly meet
Choose a decade

1990s — 36.2% of all recorded uses (119).

Is Cullan rising or falling?

Rank movement and count movement can disagree — the number of distinct names in use keeps growing, so a name holding a steady count still slides down the list. Both are shown.

Rank vs 1 year ago
—
Not ranked then
Rank vs 5 years ago
New entry
Not ranked then
Rank vs 10 years ago
—
Not ranked then
Births vs 10 years ago
—
Not published both years
Share of its own peak
0%
Peak was 1994 (22)
Years since peak
31
Years
Year-to-year steadiness
Volatile
44.7% average annual change
Best rank ever
#3,125
1994

Spellings of Cullan

Cullan is not the most common spelling — Julian is, with 50.6% against Cullan's 0.06%.

Grouped by closeness of spelling (up to two letter changes), same sex, with a floor on all-time use. It catches Sophia/Sofia and Aiden/Ayden, and misses spellings that sound alike but look different, like Sean and Shawn.

Cullan around the world

Where Cullan ranks in official birth records elsewhere in the world. Rankings only — the number of births isn’t comparable between places, so it isn’t shown.

  • England & Wales
    1996–2010
    #4,678
    in 2010
  • Scotland
    2006–2006
    #584
    in 2006
  • Ireland
    2023–2023
    #770
    in 2023

Popularity data from Office for National Statistics, National Records of Scotland and Central Statistics Office. ONS, NRS data under Open Government Licence v3.0. CSO data under CC BY 4.0.

Cullan by the numbers

The raw record for each sex the name is used for.

As a boy's name

Rank in 2025
Unranked
Trend vs 5 yrs ago
—
Best rank ever
#3,125
1994
Peak year
1994
22 that year
First recorded
1980
Last recorded
2019
All-time count
329
Count in 2025
Under 5

Names similar to Cullan

Matched on shared beginnings and endings, similar length, and comparable popularity.

Sibling names for Cullan

Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.

Explore around Cullan