Theo

Primarily a boy's name · 100% boys

Theo first appears in the data in 2014 and has been recorded in 12 different years as a boy's name. Its single biggest year was 2025 with 451 babies (rank #36 that year). In 2025 it was given to 451 boys (rank #36). The name has been rising over the last five years.

Numerology of Theo

In Pythagorean numerology, every letter has a value from 1 to 9. Adding the letters of Theo yields these three numbers — a playful read on the name's character.

3Destiny numberThe creativeExpressive, sociable, lifted by playful energy.Sum of every letter. The overall character a name carries.
11Soul urgeThe visionary (master)Intuitive and inspirational — a heightened 2.Sum of the vowels — what's said to drive the heart.
1PersonalityThe leaderIndependent, pioneering, drawn to going first.Sum of the consonants — the outer impression.

2,417

Total babies (all years)

Years in the data

451

Peak in a single year

Popularity Over Time — Boys

Famous people named Theo

Théo Hernandezassociation football player · b. 1997
Théo van Rysselberghewatercolorist · b. 1862

Share your Theo story

Why did you choose this name — or what does it mean to you? Approved stories appear on this page.

More popular boys' names

Names ranked near Theo in 2025

Other boys' names starting with T

Year-by-Year Detail

Rank is among all boys' names registered that year.

Year	Babies	Rank
2014	4	#376
2015	6	#266
2016	9	#208
2017	6	#286
2018	70	#117
2019	283	#85
2020	205	#90
2021	246	#64
2022	371	#38
2023	357	#31
2024	409	#42
2025	451	#36