Costello vs Emma
Emma leads today (#3 vs #10,695), but Emma is slipping.
145 years, head to head
Babies named Costello 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
1951
1881
Trend
Holding steady
Declining since 2013
Usually for
Boys
Girls
Lifetime births
67
776,439