Ajax vs Emma
Emma leads today (#3 vs #3,240), but Ajax is climbing faster.
145 years, head to head
Babies named Ajax and Emma per year in U.S. Social Security records, 1880–2025.
Head to head
2025 rank
#3,240 (boys)
#3 (girls)
Babies named in 2025
36
12,754
Peak year
2023
1881
Trend
Rising since 2005
Declining since 2013
Usually for
Boys
Girls
Lifetime births
452
776,439