On record since 1915
Killian
16,046 people have carried the name Killian in the U.S. record since 1915.
It peaked in the 2010s. Also spelled Cillian, Killion.
U.S. RecordSocial Security, 1880 to 2024
All-time rank#2,096 of 104,819 names
People on record16,046
Peak decade2010s
First recorded1915