Theory vs Emma
Emma leads today (#3 vs #5,917), but Theory is climbing faster.
145 years, head to head
Babies named Theory and Emma per year in U.S. Social Security records, 1880–2025.
Head to head
2025 rank
#5,917
#3
Babies named in 2025
20
12,754
Peak year
2023
1881
Trend
Rising since 2010
Declining since 2013
Usually for
Girls & boys
Girls
Lifetime births
165
776,439