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Kilian
BoyMeaning of Kilian: Irish: 'little church'
Kilian is a boy's name most strongly associated with Irish naming. It has 6 letters and 2 syllables, and it is familiar but far from overused — 1177th most popular boys' name in the United States in 2025 and 1402nd in England & Wales.
US rank 2025
#1177
177 babies in 2025
England & Wales 2024
#1402
19 babies in 2024
US babies since 1880
2,717
First recorded 1970 · peak 2023
Trend
rising
Style: uncommon
Popularity over time
Gender split
99% boys · 1% girls, based on US, UK and international usage.
Origins & cultures
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Scottish · 2 syllables
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American · 2 syllables
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Hawaiian · 1 syllable
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