Theodore vs Arlo
Theodore leads today (#4 vs #148), and both are climbing.
145 years, head to head
Babies named Theodore and Arlo per year in U.S. Social Security records, 1880–2025.
Head to head
2025 rank
#4
#148
Babies named in 2025
13,355
2,443
Peak year
2025
2024
Trend
Rising since 2000
Rising since 1993
Usually for
Boys
Boys
Lifetime births
317,206
24,245
Try another matchup
Theodore against names whose popularity has moved like its own.