Theodore: name meaning and numbers
In Pythagorean numerology Theodore adds up to 45, which reduces to 9, its Expression number. In the Chaldean system it adds up to 39, which reduces to 3.
Theodore was given to 905 boys in the United States in 1996 and to 13,355 in 2025, the highest count in its American series.
Where Theodore comes from and how it spread
Theodore comes from the Greek Theodoros, built from the words for god and gift. The teddy bear takes its name from Theodore Roosevelt, president of the United States from 1901 to 1909. Its vowels, E, O, O and E, add up to 22, a master number. England and Wales recorded 152 boys named Theodore in 1996 and 2,889 in 2021. Canada counted 1,629 boys in 2025 and New South Wales 440. Victoria first listed the name in 2014, with 72 boys, and in 2025 counted 350.
How Theodore adds up
Theodore has 8 letters. Their Pythagorean values add up to 45 and their Chaldean values to 39.
Pythagorean
Vowels are underlined. Consonants are plain. Each letter shows its value below.
- T2Consonant
- H8Consonant
- E5Vowel
- O6Vowel
- D4Consonant
- O6Vowel
- R9Consonant
- E5Vowel
Subtotal 45
The first letter is T, worth 2.
Expression number
Also called the Destiny number
9
Sum 45, reduced to 9
Soul Urge number
Also called the Heart's Desire number
22
Sum 22Master number
Personality number
5
Sum 23, reduced to 5
Chaldean
- T4Consonant
- H5Consonant
- E5Vowel
- O7Vowel
- D4Consonant
- O7Vowel
- R2Consonant
- E5Vowel
Subtotal 39
The first letter is T, worth 4.
Expression number
3
Sum 39, reduced to 3
Soul Urge number
6
Sum 24, reduced to 6
Personality number
6
Sum 15, reduced to 6
Spellings and related forms
| Spelling | Pythagorean | Chaldean |
|---|---|---|
| Theodore | 9 | 3 |
| Teodor | 5 | 2 |
| Teodoro | 11 | 9 |
| Theodor | 4 | 7 |
Théodore folds to the same letters, so it gives the same numbers.
Related forms come from Wikidata.
Where Theodore is used
- United States Births, boys
- Other counts, each against its peak
| Where | Latest year | Count | Rank | Peak year in these data |
|---|---|---|---|---|
| United States Births, boys | 2025 | 13,355 | 4 | 2025 |
| United States Births, girls | 2025 | 7 | 11932 | 1929 |
| England and Wales Births, boys | 2025 | 2,638 | 9 | 2021 |
| Scotland Births, boys | 2025 | 102 | 39 | 2024 |
| Northern Ireland Births, boys | 2025 | 49 | 40 | 2021 |
| Canada Births, boys | 2025 | 1,629 | 2 | 2025 |
| Canada Births, girls | 2025 | fewer than 5 | 1996 | |
| New South Wales, Australia Births, boys | 2025 | 440 | 3 | 2024 |
| Victoria, Australia Births, boys | 2025 | 350 | 5 | 2025 |
| Ireland Births, boys | 2025 | 115 | 44 | 2025 |
| Spain Residents, men | 2025 | 76 | 10294 | |
A rank is the place among names of the same sex in that source and year.
Before 1990 the data keeps every fifth year and the peak year.
Counts: SSA, ONS, NRS, NISRA, StatCan, NSW BDM, BDM Victoria, CSO, INE. Sources and licenses
What numerology reads in these numbers
Expression number
9
The Expression 9 is, in numerology, the number of the wide view: art, causes and a sympathy that crosses borders.
Soul Urge number
22
To build something that outlasts its builder: that is the wish numerologists read in a Soul Urge of 22, a master number.
Personality number
5
Quick, curious and good company: in numerology, a Personality 5 is the stranger who makes a delayed flight fun.
Try a full name in the AstroJane name numerology calculator
Numbers worked out by code from the calculator's letter tables, every sum shown; counts from national statistics offices and registries. Numerology has no scientific evidence.
Last reviewed: November 8, 2026