Cillian is a baby boy name tracked in official U.S. Social Security baby-name records. In 2024, Cillian was given to 668 boys, ranking No. 463 for boys and 6 girls, ranking No. 13797 for girls in U.S. Social Security records. This page focuses on popularity and usage data so parents can compare the name with confidence.
Popularity Snapshot For Cillian
In 2024, Cillian was given to 668 boys, ranking No. 463 for boys and 6 girls, ranking No. 13797 for girls in U.S. Social Security records.
The name has appeared in national records since 1995 and shows 3,492 recorded births between 1995 and 2024.
Is Cillian Used For Boys, Girls, Or Both?
Cillian is used mostly for boys in current records, with lighter but visible use for girls.
Why Parents Compare Cillian
Parents comparing Cillian often look at popularity, spelling familiarity, sound, and how the name fits with sibling names or a family surname.
Names like Cillian are often compared by recent popularity, staying power across generations, and whether the overall style feels familiar, modern, classic, or flexible.
Explore More C Names
Browse more C baby names, explore the boy names hub, or return to the full baby names directory for more ideas.
Shortlist notes
Why parents might save Cillian
- Cillian is easy to compare with other boy names while you build a shortlist.
- The name starts with C, which can help when matching sibling names, initials, or family naming patterns.
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