Cassiopeia vs Emma
Emma leads today (#3 vs #8,860), though both are past their peak.
145 years, head to head
Babies named Cassiopeia and Emma per year in U.S. Social Security records, 1880–2025.
Head to head
2025 rank
#8,860
#3
Babies named in 2025
11
12,754
Peak year
2023
1881
Trend
Declining since 2022
Declining since 2013
Usually for
Girls
Girls
Lifetime births
391
776,439