Dennis vs Ronnie
Dennis leads today (#707 vs #1,064), though both are past their peak.
145 years, head to head
Babies named Dennis and Ronnie per year in U.S. Social Security records, 1880–2025.
Head to head
2025 rank
#707
#1,064
Babies named in 2025
381
204
Peak year
1946
1946
Trend
Declining since 1985
Declining since 1985
Usually for
Boys
Boys
Lifetime births
621,000
182,926
Try another matchup
Dennis against names whose popularity has moved like its own.