The name Cillian signifies 'warrior' or can refer to 'church.' It may also hold historical relevance as 'little church.'
See More NamesCillian is of Irish origin, derived from the Gaelic name 'Cill' which means 'church' or 'cell.'
Historically less common outside of Ireland, the name Cillian has gained international recognition in recent years, partly due to the popularity of actor Cillian Murphy. It remains a unique choice with a rich cultural heritage.
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