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KIL-ee-uhn · 3 syllables
↑ Higher on this chart = more popular · ↓ Lower = less popular
Rank #463 · Rising since 2020
Bars show the range of popularity for each group. The dot shows where this name sits. Further right = more popular.
Popularity score: 38 · SSA Rank: #463
Rare · Distinctive · Familiar · Common · Very Common
Popularity score: 0 = least popular, 100 = most popular. Based on SSA rank.
Cillian is surging in popularity right now.
Scores are percentile-ranked across 43,000+ names.
This name follows the classic name-fashion pattern — popularity rises and falls through social diffusion, the way most names do.
Source: Namesake null-model analysis · Phase 5 · Lieberson (2000) framework →
Qualities shared by notable Cillians
Cillian is an Irish unisex name with upward momentum in SSA rankings. It ranked #463 in the US in 2024.
Notable Cillians
Also spelled
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Still deciding?
Every naming product helps you find names. Namesake is the only one built to help you choose one.
Score what matters to you. Run names head-to-head. Arrive at the one name you can both explain and defend.
Start the Name Wizard →