Sidnee vs Emma
Emma leads today (#3 vs unranked), though both are past their peak.
145 years, head to head
Babies named Sidnee and Emma per year in U.S. Social Security records, 1880–2025.
Head to head
2025 rank
unranked
#3
Babies named in 2025
0
12,754
Peak year
1999
1881
Trend
Declining since 2000
Declining since 2013
Usually for
Girls
Girls
Lifetime births
636
776,439