Alfonso vs Rodolfo
Alfonso leads today (#1,012 vs #1,466), though both are past their peak.
145 years, head to head
Babies named Alfonso and Rodolfo per year in U.S. Social Security records, 1880–2025.
Head to head
2025 rank
#1,012
#1,466
Babies named in 2025
223
121
Peak year
1909
1981
Trend
Declining since 1992
Declining since 1993
Usually for
Boys
Boys
Lifetime births
41,464
33,773
Try another matchup
Alfonso against names whose popularity has moved like its own.