Theadore
Theadore was the 13688th most popular name for boys in 2025, given to 5 babies. Its best year was 1905, when it ranked 590th; the most babies were born in 1927 (91). Over the last ten years it has moved down 4,215 places. More babies were named Theadore in the 1920s than in any other decade.
Meaning Not yet researched how we research meanings
- Rank in 2025
- #13,688 boys, up 162 places since 2020
- Babies in 2025
- 5boys
- Girls and boys
- Almost always a boy’s name2021–2025
- Peak year
- 192791 babies
- Total since 1880
- 4,005babies recorded
Theadore popularity since 1880
| Year | Rank (boys) | Babies (boys) |
|---|---|---|
| 2025 | #13,688 | 5 |
| 2020 | #13,850 | 5 |
| 2010 | — | — |
| 2000 | #10,238 | 6 |
| 1990 | — | — |
| 1980 | #3,415 | 13 |
| 1970 | #1,611 | 29 |
| 1960 | #1,357 | 35 |
| 1950 | #946 | 54 |
| 1940 | #709 | 74 |
| 1930 | #680 | 85 |
| 1920 | #752 | 77 |
| 1910 | #1,110 | 10 |
| 1900 | #731 | 13 |
| 1890 | — | — |
| 1880 | #1,045 | 5 |
How popular is Theadore, counting every spelling?
Theadore has no other common spelling that sounds the same.
How many kids will share the name Theadore?
5 of the 3,606,400 babies born in the US in 2025 were named Theadore (0.00 per 1,000 births). For a boy named Theadore born in 2025, the chance that another child with the same name is in a class of 20 children the same age is under 1 in 50. If every grade liked the name as much as the 2025 babies do, only about one elementary school in 1,661 (of 430 pupils) would have a child named Theadore.
Shares of all registered births (NCHS); classes assumed to be children born the same year. How we estimate this.
How old are people named Theadore?
About 1,300 people born in the US named Theadore are alive today, with a median age of 67; half are between 53 and 76. That makes Theadore a name most people associate with older generations.
Babies given the name each year (SSA) times the share of that birth year still alive (SSA life tables). Counts people born in the US only. Method.
Names with a similar history
These names rose and fell in step with Theadore: their share of US boys followed the most similar curve since 1880. If you like Theadore, they share its era and feel.
Questions about the name Theadore
How popular is the name Theadore?
Theadore was the 13688th most popular name for boys in 2025, given to 5 babies. Its best year was 1905, when it ranked 590th; the most babies were born in 1927 (91). Over the last ten years it has moved down 4,215 places. More babies were named Theadore in the 1920s than in any other decade.
Is Theadore a boy or girl name?
In 2021–2025, almost always a boy’s name given the name Theadore in the US.