The name reached its all-time peak in 1997 with 7 births ranking #2152. FALLING Recent data shows the name is currently falling.
Cian is an old Irish name usually understood to mean something like "ancient" or "enduring". Its very short form gives it a modern feel despite its deep roots in Gaelic tradition.
The name appears in Irish mythology and early tradition, which gives it real historical depth. In modern use, it appeals to parents looking for a compact Celtic name that still feels authentic.