Killian vs Tobias
Tobias leads today (#283 vs #417), and Tobias is still climbing.
145 years, head to head
Babies named Killian and Tobias per year in U.S. Social Security records, 1880–2025.
Head to head
2025 rank
#417
#283
Babies named in 2025
770
1,201
Peak year
2017
2016
Trend
Declining since 2017
Rising since 1985
Usually for
Boys
Boys
Lifetime births
16,219
29,322
Try another matchup
Killian against names whose popularity has moved like its own.