What does Theo mean?
Theo means “A short form of theodore”. It is a boy name of Greek origin, listed under the Christian faith in our collection.
Origin, gender and faith
- Origin: Greek – see more Greek names.
- Gender: Boy – browse boy names.
- Faith: Christian
- Popularity: ranked #2385 in BabyNameMeaningz data.
Sound, spelling and pronunciation
Theo has 4 letters and 1 syllable, made of 2 vowels and 2 consonants (4 different letters). Its sound is best described as: open, flowing ending.
Press Listen at the top of the page to hear the name spoken aloud, which helps when you are comparing how a name sounds next to a surname or a sibling’s name.
How the lucky number, colour and star sign are worked out
These three facts are calculated from the spelling of Theo with simple, fixed rules. They are for fun and are not a prediction or a real horoscope.
Lucky number
3Each letter gets its place in the alphabet (A=1 … Z=26): T=20 + H=8 + E=5 + O=15 = 48. Then the digits are added until one digit is left: 4 + 8 = 12. Then the digits are added until one digit is left: 1 + 2 = 3. Result: 3.
Favorite colour
YellowThe lucky number picks the colour from a fixed table. Theo has lucky number 3, so the colour is Yellow.
Star sign
ScorpioOnly the first letter counts (T). The twelve signs repeat along the alphabet: A = Aries, B = Taurus … L = Pisces, then M = Aries again. It is not based on a birth date.
Nickname ideas for Theo
Short and affectionate forms built from the spelling of Theo. They are ideas, not traditional or cultural nicknames, so pick the ones that feel natural to say.
Couple names that go with Theo
Partner names that match Theo by origin, faith, length and sound (Girl names). The percentage is a style match, and the blend is a fun combined name.
How is the match % worked out?
Start at 60. Same origin +9, same faith +6, similar length up to +8, different first letter +5, same last two letters +3 (maximum 99). Blend = first half of one name + second half of the other.
Blend ideas: Theo + Xena = Thna · Theo + Kara = Thra · Theo + Dora = Thra
Sibling names for Theo
Names that sit well next to Theo: similar origin and style, with a close length, sound or ending.
How are siblings chosen?
Start at 45. Same origin +10, same faith +8, same first letter +8, same last two letters +8, close length up to +10, close syllables up to +8, very similar spelling +6. Brothers and sisters are ranked separately.
Brother names
Sister names
Twin name ideas for Theo
If Theo is one twin’s name, these pair with it in different ways. Each percentage shows how well the pair fits that style.
How are twin names scored?
Same scoring as couples, plus a style bonus: Same first letter +18 (else −8), Same ending +18 (else −6), Balanced +5 for a different first letter and +3 for the same ending.
Same first letter
Same ending
Balanced match
Names with a similar meaning
Names whose meaning shares a key idea with Theo (short, form).
How are similar meanings found?
We take the first two meaningful words of the meaning (4+ letters, common words removed) and list names whose meaning contains the same word.
Frequently asked questions
What does Theo mean?
Theo means “A short form of theodore” and is of Greek origin.
What is the origin of Theo?
In our collection Theo is listed as a name of Greek origin, associated with the Christian faith.
Is Theo a boy or a girl name?
Theo is listed as a boy name.
What is the lucky number for Theo?
By name numerology (A=1 … Z=26) the lucky number for Theo is 3, with the star sign Scorpio. This is for entertainment only.
How do you pronounce Theo?
Theo has 1 syllable. Use the listen button on this page to hear it spoken aloud.
What are some nicknames for Theo?
Spelling-based nickname ideas for Theo include Th, The, They, Theie, Tho.
Which names have a similar meaning to Theo?
Names with a related meaning include Abby, Connie, Sherry, Von, Ray, Andy.