Theodore vs. Teddy: which name is older?
The average Theodore is 29 and the average Teddy is 53, so Teddy is the older name, by about 24 years.
Theodore
Teddy
When was each name popular?
Teddy peaked first, in 1949 (after World War II). Theodore peaked in 2025, 76 years later.
Which name is more common?
There are about 200,000 Theodores and about 20,000 Teddys alive in the US, so there are about 10 times as many Theodores as Teddys.
Boys or girls?
Both are boys' names: over 99% of living Theodores and 94% of living Teddys are men.
Names the same age as Theodore
Names the same age as Teddy
Think you can guess a Theodore's age?
Ten names, one slider each. Share your score.
Theodore or Teddy: questions
Which is older, Theodore or Teddy?
The average Theodore is 29 and the average Teddy is 53, so Teddy is the older name, by about 24 years.
How old is the average Theodore?
The average Theodore in the US is 29; half of all living Theodores are between 5 and 57.
How old is the average Teddy?
The average Teddy in the US is 53; half of all living Teddys are between 39 and 71.
Which is more common, Theodore or Teddy?
There are about 200,000 Theodores and about 20,000 Teddys alive in the US, so there are about 10 times as many Theodores as Teddys.
Estimates from Social Security Administration baby-name records (births 1880–2025) and SSA cohort life tables (2026 Trustees Report). How we calculate this