Boy name
Theo
As of 2025, Theo ranks #82 among American boys' names, according to Social Security records. 3,945 boys received the name that year. It has climbed from #172 to #82 over the past five years. SSA records for Theo go back to 1880; the peak came in 2023 at #78, with 4,140 babies named that year. Geographically, it's strongest in Hawaii, where it ranks #26 among boy names.
Rankings
2025 rank
#82
among boy names
Trend
Rising
last 5 years
All-time peak
#78
in 2023 (2020s)
Babies in 2025
3,945
boys named Theo
Theo popularity, 1880–2025
Where Theo is most popular
Share of boys born in 2025:lowhighno data (< 5 births)
Strongest states: Hawaii (#26), District of Columbia (#55), Massachusetts (#41)
Uniqueness score
18/ 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 Theo in the most recent year of SSA data.