Alonzo vs Jasper
Jasper leads today (#129 vs #511), and both are climbing.
145 years, head to head
Babies named Alonzo and Jasper per year in U.S. Social Security records, 1880–2025.
Head to head
2025 rank
#511
#129
Babies named in 2025
590
2,804
Peak year
1882
2023
Trend
Rising since 1985
Rising since 1985
Usually for
Boys
Boys
Lifetime births
45,955
62,428
Try another matchup
Alonzo against names whose popularity has moved like its own.