Cillian Name Meaning
The name Cillian comes from Irish roots and carries a meaning worth knowing. Read the full meaning and origin of Cillian below, then browse real variants, short forms, and related names from the same family. Tap any name to copy it instantly.
Cillian Name Meaning
IrishProbably from Gaelic ceall "church" combined with a diminutive suffix. This was the name of a 7th-century Irish saint who evangelized in Franconia. He was martyred in Würzburg.
Frequently Asked Questions
What does the name Cillian mean?
The full meaning, origin and background of Cillian appear in the meaning card at the top of this page, followed by real variants and related names from the same family.
Is Cillian a boy or girl name?
The usage and origin of Cillian are shown in the meaning card above — the related names below include forms used across genders.
What names are similar to Cillian?
The list below shows real name variants, short forms, and names that share the roots or sound of Cillian — tap any name to copy it.
Is Cillian a rare name?
Many names carry centuries of history yet stay uncommon today. Browse the related names below to find a form of Cillian that feels right.