Julia vs Sidney
Julia leads today (#131 vs #1,323), though both are past their peak.
145 years, head to head
Babies named Julia and Sidney per year in U.S. Social Security records, 1880–2025.
Head to head
2025 rank
#131 (girls)
#1,323 (boys)
Babies named in 2025
2,172
146
Peak year
1880
1912
Trend
Declining since 2000
Declining since 1994
Usually for
Girls
Girls & boys
Lifetime births
476,250
84,202
Try another matchup
Julia against names whose popularity has moved like its own.