Cullin
Boy nameCullin has been given to 403 babies in the U.S. since 1917. It peaked in 2000.
Popularity over time births per year, 1880–2025
Total babies
403
Peak year
2000 (23 babies)
Rank in 2025
Below top 1000
First recorded
1917
10-year trend
▼ -100%
Gender split
All boys
Spellings & variants
Names one letter away from Cullin — alternate spellings parents actually use.
Names with a similar vibe
Same primary gender, peaked around the same years, and roughly as common as Cullin.
Sibling name ideas for Cullin
Same era and popularity as Cullin, avoiding matching initials or rhymes.
FAQ
How popular is the name Cullin?
Cullin has been given to 403 babies in the U.S. since 1917. It ranked below the top 1000 in 2025.
When did the name Cullin peak?
Cullin peaked in 2000, when 23 babies were given the name.
Is Cullin a girl or boy name?
Cullin is primarily a boy name (100% of babies named Cullin are boys).
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