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.
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U.S. RecordSocial Security, 1880 to 2024
All-time rank#2,096 of 104,819 names
People on record16,046
Peak decade2010s
First recorded1915