Theodore

Boy name · #4 in 2025 · Uniqueness 15/100

Theodore ranks #4 among American boys' names as of 2025, with 13,355 newborns given the name that year. A decade ago it stood at #99, so the name has been rising over the past ten years. Roughly one in every 135 boys born in 2025 was named Theodore.

Babies named Theodore per year, 1880–2025. Source: SSA.

The 145-year story

Theodore first appears in the Social Security records in 1880, when 232 boys received the name. Its all-time peak is essentially right now: 2025, with 13,355 babies and a rank of #4. Names at their peak can keep climbing — or be one trend cycle from the long slide that eventually hits most popular names. Following the curve matters more than today's snapshot: a name's position on its rise-peak-decline arc is the best predictor of how common it will feel in a kindergarten class five years from now.

Where is Theodore headed by 2030?
Unlock the 5-year forecast and compare Theodore against up to 5 other names.
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Uniqueness: will there be another Theodore in class?

Theodore scores 15 out of 100 on our uniqueness scale, which blends current rarity with five-year momentum — putting it in the "popular" band. A low score means broad familiarity: teachers will spell it right, and your child may share it with a classmate. For many families that's a feature, not a bug.

Where Theodore is most common

Geography matters for names, and Theodore is no exception. In 2025 the states with the most Theodores were CA (1,211), TX (865), NY (738), OH (611), FL (610). Raw counts naturally favor populous states, but the spread still hints at where the name is part of the local naming culture.

Names like Theodore

Statistically, parents drawn to Theodore tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Oliver, Henry, Mateo, Elias, and Santiago.

OliverHenryMateoEliasSantiagoLucaHudsonZyaire

Rank history (last 25 years)

YearBabies named TheodoreRank
202513,355#4
202412,069#4
202311,093#7
202210,824#10
20219,600#10
20208,638#23
20197,896#36
20187,088#44
20175,973#61
20164,910#83
20154,155#99
20143,228#126
20132,429#167
20121,945#194
20111,573#230
20101,333#257
20091,239#276
20081,139#293
20071,137#300
20061,133#295
20051,095#299
20041,005#313
2003964#309
2002975#300
2001935#306

Frequently asked questions

Is Theodore a popular boy name?

Theodore ranked #4 among boys in 2025 with 13,355 babies given the name — firmly in the top 100, so yes, it’s a popular choice. Ten years earlier it ranked #99.

When was the name Theodore most popular?

Theodore peaked in 2025, when 13,355 American boys received the name (ranked #4 that year). That peak is current — the name is at or near its all-time high right now.

How rare is the name Theodore?

In 2025, roughly 1 in 135 newborn American boys was named Theodore. It scores 15/100 on our uniqueness scale (rarity blended with momentum), which we classify as "popular".

Data source: U.S. Social Security Administration name statistics, 1880–2025, national and state files. Counts reflect Social Security card applications; names with fewer than 5 occurrences in a state-year are suppressed by the SSA.