Cullen Boy

How popular is Cullen?

#1,108 boy name in 2025

194 baby boys were named Cullen in the US in 2025, making it the 1108th most popular boy name. Another 6 girls got the name (#13,204 for girls).

Compare with other names
15,327living people named Cullen (est.)
19median age of people named Cullen
16,703babies named Cullen since 1880
1 in 16,577US babies born in 2025

Cullen popularity over time

0400800 18801900192019401960198020002020

Boys Girls

Rank in 2025#1,108 for boys (▲ 18 from 2024)
Babies in 2025194 boys, 6 girls
10-year trendFalling fast (-61% babies vs 2015)
Earlier ranks#570 in 2015, #688 in 2020
Peak year2010 (679 boys)
Highest rank#413 in 2010
First recorded1880
Boys vs girls (last 10 years)100% boys, 0% girls
Chance a classmate shares it0.1% in a class of 25 kids born in 2025

Cullen counting every spelling

Social Security counts each spelling as its own name. Adding together the spellings that sound alike, the Cullen family of names ranked #968 for boys in 2025 (#974 the year before), with 208 babies in all.

SpellingBoys in 2025Share
Cullen 194 93%
Kullen 14 7%

Spellings are grouped by how they sound, using our own rules, so a few groupings may not match how your family says the name.

Where Cullen is most popular

Babies named Cullen per 1,000 boys born in each state, 2021 to 2025. Darker means more common.

  1. Mississippi: 0.8 per 1,000 (44 boys)
  2. Louisiana: 0.7 per 1,000 (71 boys)
  3. Minnesota: 0.4 per 1,000 (54 boys)
  4. Alabama: 0.4 per 1,000 (39 boys)
  5. South Carolina: 0.3 per 1,000 (34 boys)

Cullen by decade

DecadeBaby boysBest rank
1880s20#640
1890s29#856
1900s33#836
1910s243#981
1920s308#1,086
1930s226#1,251
1940s231#1,170
1950s250#1,279
1960s323#1,097
1970s647#875
1980s1,183#741
1990s3,219#505
2000s3,240#485
2010s5,067#413
2020s1,572#688

Boy names about as popular as Cullen

Questions

Is Cullen a boy or girl name?
Cullen is mostly a boy name. Over the last 10 years, 100% of babies named Cullen were boys.
How popular is the name Cullen?
194 baby boys were named Cullen in the US in 2025, making it the 1108th most popular boy name. Another 6 girls got the name (#13,204 for girls).
When was Cullen most popular?
Cullen peaked in 2010, when 679 boys were given the name. Its highest rank was #413 in 2010.
How many people are named Cullen?
16,703 babies have been named Cullen in the US since 1880. We estimate about 15,327 of them are alive in 2026, with a median age of 19.
Where is Cullen most popular?
From 2021 to 2025, Cullen was most common in Mississippi, at 0.8 of every 1,000 boys born there.

Source: Social Security Administration baby name data, 1880 to 2025 (names given to at least 5 babies of a sex in a year). Living-people and median-age figures are our estimates using US life tables. How we calculate.