Boy
Killian
Killian means "Irish Cillian" and comes from Irish, giving it real etymological depth as a boy's name. It has been climbing steadily, peaking most recently in the 2010s. Today, it is on the rarer side without being unusual in the registry. Across the twelve decades this registry covers, it appears in 6 of them.
IrishIrish "Cillian"
EtymologyMeaning "little church" or "strife"
Births by decade
1900s
0
1910s
5
1920s
5
1930s
0
1940s
0
1950s
0
1960s
0
1970s
0
1980s
160
1990s
1,258
2000s
1,969
2010s
5,682
Peaked in the 2010s · 9,079 total U.S. births since 1900