Koji vs Emma
Emma leads today (#3 vs #3,379), but Emma is slipping.
145 years, head to head
Babies named Koji and Emma per year in U.S. Social Security records, 1880–2025.
Head to head
2025 rank
#3,379 (boys)
#3 (girls)
Babies named in 2025
34
12,754
Peak year
2025
1881
Trend
Holding steady
Declining since 2013
Usually for
Boys
Girls
Lifetime births
645
776,439