Sheldon vs Sidney
Sidney leads today (#1,323 vs #2,765), though both are past their peak.
145 years, head to head
Babies named Sheldon and Sidney per year in U.S. Social Security records, 1880–2025.
Head to head
2025 rank
#2,765
#1,323
Babies named in 2025
46
146
Peak year
1934
1912
Trend
Declining since 1992
Declining since 1994
Usually for
Boys
Girls & boys
Lifetime births
36,676
84,202
Try another matchup
Sheldon against names whose popularity has moved like its own.