Io vs Emma
Emma leads today (#3 vs #14,942), though both are past their peak.
145 years, head to head
Babies named Io and Emma per year in U.S. Social Security records, 1880–2025.
Head to head
2025 rank
#14,942
#3
Babies named in 2025
5
12,754
Peak year
2022
1881
Trend
Declining since 2021
Declining since 2013
Usually for
Girls
Girls
Lifetime births
190
776,439