Leo: name meaning and numbers
In Pythagorean numerology Leo adds up to 14, which reduces to 5, its Expression number. In the Chaldean system it adds up to 15, which reduces to 6.
Leo is the Latin word for lion and the name of a zodiac sign, and England and Wales gave it to 149 boys in 1996 and 3,278 in 2025.
Where Leo comes from and how it spread
In Latin, leo means lion, and the same word names the fifth sign of the zodiac. A century ago the name was common in the United States, with 4,054 boys in 1920. It fell to 431 in 1990 and climbed back to 8,173 in 2025. New South Wales listed 110 boys named Leo in 2009 and 379 in 2025. Ireland counted 261 boys named Leo in 2025, its highest count there. Spain's residents include 36,280 men named Leo. The two vowels, E and O, add up to 11, a master number.
How Leo adds up
Leo has 3 letters. Their Pythagorean values add up to 14 and their Chaldean values to 15.
Pythagorean
Vowels are underlined. Consonants are plain. Each letter shows its value below.
- L3Consonant
- E5Vowel
- O6Vowel
Subtotal 14
The first letter is L, worth 3.
Expression number
Also called the Destiny number
5
Sum 14, reduced to 5
Soul Urge number
Also called the Heart's Desire number
11
Sum 11Master number
Personality number
3
Sum 3
Chaldean
- L3Consonant
- E5Vowel
- O7Vowel
Subtotal 15
The first letter is L, worth 3.
Expression number
6
Sum 15, reduced to 6
Soul Urge number
3
Sum 12, reduced to 3
Personality number
3
Sum 3
Spellings and related forms
| Spelling | Pythagorean | Chaldean |
|---|---|---|
| Leo | 5 | 6 |
| Leon | 1 | 2 |
| Leonidas | 7 | 2 |
| Lyon | 3 | 7 |
Leó folds to the same letters, so it gives the same numbers.
Related forms come from Wikidata.
Where Leo 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 | 8,173 | 19 | 2022 |
| United States Births, girls | 2025 | 23 | 5410 | 1918 |
| England and Wales Births, boys | 2025 | 3,278 | 3 | 2017 |
| Scotland Births, boys | 2025 | 236 | 7 | 2022 |
| Northern Ireland Births, boys | 2025 | 115 | 5 | 2018 |
| Canada Births, boys | 2025 | 1,404 | 4 | 2021 |
| Canada Births, girls | 2025 | 7 | 2730 | 2025 |
| New South Wales, Australia Births, boys | 2025 | 379 | 5 | 2022 |
| Victoria, Australia Births, boys | 2025 | 383 | 4 | 2022 |
| Ireland Births, boys | 2025 | 261 | 10 | 2025 |
| Puerto Rico Births, boys | 2025 | 19 | 79 | 2025 |
| Chile Births, boys | 2021 | 33 | 271 | 2021 |
| Spain Residents, women | 2025 | 96 | 8040 | |
| Spain Residents, men | 2025 | 36,280 | 98 | |
| Spain Births, boys | 2024 | 2,550 | 4 |
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, Registro Civil, INE. Sources and licenses
What numerology reads in these numbers
Expression number
5
In numerology, an Expression 5 is linked with versatility, quick learning and a talent for whatever changes from week to week.
Soul Urge number
11
A Soul Urge of 11, a master number in numerology, is linked with a hunger for meaning and a wish to inspire.
Personality number
3
A Personality 3 meets the world, in numerology, with a joke ready, bright colors and a face that shows every feeling.
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