Cillian means war or strife or associated with churches — from the Irish Gaelic. Cillian Murphy IS Peaky Blinders' Tommy Shelby AND won the Oscar for Oppenheimer. The most authentically Irish spelling. Three syllables of Tommy-Shelby-AND-Oppenheimer-Oscar, the most authentically Irish, and Gaelic-war heritage.
Cillian means war from the Irish. Murphy IS Shelby AND won the Oscar for Oppenheimer. Most authentically Irish.
2
First recorded
Earliest known use: Irish; Cillian Murphy (born 1976).
3
Today
Cillian remains a beloved choice, ranking #928 in the US. 3,492 babies have been named Cillian since 1995.
◈ Sources: Behind the Name, SSA data
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How popular is Cillian?
2024peak year
Cillian is on the rise. After years out of the spotlight, it has been gaining ground with U.S. parents in the most recent decade. It currently ranks around #928, with about 292 babies named Cillian each year. In 2024, 668 babies received the name (ranked #463). Total registrations across all years since 1880: roughly 3,492.
Year-by-year registrations1880–2024 · U.S. Social Security data
Cillian's Life Path 1 is the leader's number — Oscar-winning leadership. People named Cillian tend to be bright, authentic, and gifted at being Shelby AND Oppenheimer AND Oscar-winning.
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Shelby AND Oppenheimer AND Oscar
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Murphy-authentic
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Most-Irish
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Peaky-Blinders
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Gaelic-war
C3
I9
L3
L3
I9
A1
N5
Sum: 33 → Life path 6
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Personality of Cillian
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Nurturing heart
They notice when someone is struggling before anyone else.
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Creates warmth
Their circle is warmer for their presence.
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Strong morals
They know what's right and stand by it.
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Quietly selfless
They give and give, often without realising how much.
Every name has a homeland. Discover strong boy names rooted in cultures from around the world — each with full meanings, origin stories and pronunciation.