Boy name
Theodore
Theodore holds the #4 spot on the 2025 list of the most popular boy names in the U.S. That amounts to 13,355 newborn boys in a single year. The name is on the way up, moving from #23 in 2020 to #4 today. Its strongest year on record was 2024 (#4 nationally, 12,069 newborns), in a data series reaching back to 1880. The name's biggest fan base is in Wyoming (#1 there in 2025).
Rankings
2025 rank
#4
among boy names
Trend
Rising
last 5 years
All-time peak
#4
in 2024 (2020s)
Babies in 2025
13,355
boys named Theodore
Theodore popularity, 1880–2025
Where Theodore is most popular
Share of boys born in 2025:lowhighno data (< 5 births)
Strongest states: Vermont (#2), Wyoming (#1), New Hampshire (#1)
Uniqueness score
3/ 100Ultra popular
everywhereone of a kind
You'll meet plenty of them — a true chart-topper. Based on how many babies per birth were named Theodore in the most recent year of SSA data.