Boy’s name · Greek

Theseus

How to say it: THEE-see-us · /ˈθiːsiəs/

Greek myth name possibly meaning 'to set in order' - legendary Athenian hero who slew the Minotaur.

Theseus was the 4,278th most popular boys’ name in the United States in 2025, given to 19 babies (Social Security Administration). Its busiest decade was the 2010s, its births are down about 51% in ten years, and it is projected to slip to #4,493 by 2030.

Updated · SSA 2025 data, published May 2026 · How we compute these figures

#4,278for boys in 2025
1 in 174,491US babies
19born in 2025
#4,493projected for 2030
2010sits peak decade
under 1 in 200chance a classmate shares it

Key facts

Key facts about Theseus
Rank among boys’ names, 2025#4,278
Babies born in 202519
Share of births1 in 174,491
Peak decade2010s
Change over 10 years−51%
Projected rank for 2030 (estimate)#4,493

Sources: Social Security Administration (SSA). How we compute these figures.

Its life, decade by decade

Theseus is a newcomer: almost all of its history is from the last forty years.

1900195020002020–25
Peak: 15 per million births, 2010s.

What goes with it

Nicknames

  • Theo

Honouring a Theseus in the family

In the classroom

In a class of 25 children born in 2025, the chance that another child is called Theseus is about under 1 in 200.

Around the world

This spelling is used in English, Greek.

Keep exploring

Find names you'll both love, starting with Theseus

The one-minute style quiz.

Take the quiz

Or see the Vowel app →