Leo vs Kayson
Leo leads today (#19 vs #264), and both are climbing.
145 years, head to head
Babies named Leo and Kayson per year in U.S. Social Security records, 1880–2025.
Head to head
2025 rank
#19
#264
Babies named in 2025
8,173
1,305
Peak year
1903
2025
Trend
Rising since 1989
Rising since 1988
Usually for
Boys
Boys
Lifetime births
259,988
15,201
Try another matchup
Leo against names whose popularity has moved like its own.