Leo vs Mateo
Mateo leads today (#8 vs #19), and both are climbing.
145 years, head to head
Babies named Leo and Mateo per year in U.S. Social Security records, 1880–2025.
Head to head
2025 rank
#19
#8
Babies named in 2025
8,173
11,045
Peak year
1903
2023
Trend
Rising since 1989
Rising since 1987
Usually for
Boys
Boys
Lifetime births
259,988
126,693
Try another matchup
Leo against names whose popularity has moved like its own.