79%RatingSave Gender Masculine Usage Irish, French Meaning & HistoryExpand Links Anglicized form of Cillian, also used in France. Related NamesFamily Tree·Details VariantsCillian, Cillín, Kilian(Irish) Kilian, Kylian, Kyllian(French) Other Languages & CulturesKilian, Lian(German) Kilian(Spanish) PopularityDetails Last ranked #477 in 2016 France Last ranked #87 in 2016 Ireland Last ranked #347 in 2021 United States People think this name isRate·Details strong strange serious nerdy Name DaysName Days? France: July 8 Categories mascots, Once Upon a Time characters