Koston vs Emma
Emma leads today (#3 vs #10,695), though both are past their peak.
145 years, head to head
Babies named Koston and Emma per year in U.S. Social Security records, 1880–2025.
Head to head
2025 rank
#10,695 (boys)
#3 (girls)
Babies named in 2025
6
12,754
Peak year
2010
1881
Trend
Declining since 2011
Declining since 2013
Usually for
Boys
Girls
Lifetime births
263
776,439