Cillian

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Boy · Old Irish

Cillian

Say it: KIL-ee-un

Try it with your surname

Meaning

Uncertain; often explained as 'little church' (cell), or linked to ceall 'strife'; neither is secure.

Uncertainseveral explanations, none settled.

Its wave through time

Rising now

In the United States

05101518801900192019401960198020002020Peak 2020per 100,000 babies of that sex
  • 1,643 babies given this name since 1995
  • At its height in 2020, about 1 in 7,700 boys
  • 223 babies in 2020

Through the ages

  1. The Early Middle Ages400 to 800
  2. The Modern Age1880 to today

Used by

IrishGerman

The family of the name

Other spellings: Cilléne, Killian

GermanKilian

Famous bearers

  • Saint Kilian, missionary to Franconia
  • Cillian Murphy, Irish actor

Names worth a look

Where this comes from

  • Lives of the saints and early Christian martyrologies
  • National birth statistics of European countries source
  • United States Social Security birth records, 1880 to today source

Meanings and histories are compiled from the study of names and their languages and checked by a second review.

Meanings and histories are drawn from the study of names and their languages, each with a confidence rating; popularity figures come from official birth records. Name histories are a living field: if you know of a correction, we would be glad to hear it.