Nameling

Theseus

Gender
Boy
Say it
THEE-see-us
Origin
Greek
US rank, 2025
#5,044 for boys

Theseus is a boys' name of Greek origin. In 2025 it ranked 5,044th for boys in the US (19 babies).

What does Theseus mean?

Greek: name of a Greek mythological hero

In Greek myth, Theseus, king of Athens, slew the Minotaur in the Cretan labyrinth with Ariadne's help.

Is Theseus a girl's or a boy's name?

Theseus is a boys' name. In 2025, it was given to 19 boys in the US. Too few girls were given it to be listed.

How popular is Theseus in the US?

Rank in 2025
#5,044among boys
Babies in 2025
19about 1 in 90,000 boys
Five-year trend
Steadydown 5% in five years
Same name in a class
under 1%chance among 15 boys

In 2025, 19 boys in the US were named Theseus, making it the 5,044th most popular name for boys. Five years earlier, in 2020, it was 4,271st. Its busiest year was 2015, with 44 boys. It first appears in the records in 2010.

2025 had fewer boys named Theseus than any year since 2011.

Half of all the boys named Theseus in the US since 1880 were born between 2014 and 2021, the years shaded on the chart below.

2010Busiest: 44 in 20152025
Theseus in the US, year by year
YearBoysRank
202519#5,044
202430#3,691
202325#4,216
202224#4,299
202133#3,424
202023#4,271
201931#3,568
201824#4,222
201729#3,674
201635#3,229
201544#2,721
201443#2,752
201331#3,403
201241#2,867
20115#12,280
20105#12,224

Names like Theseus

Names given in the same years and the same naming tradition, with a similar sound.

More Greek names

Every Greek name

Sources

Figures from Popular Baby Names (US Social Security Administration). Nameling last updated them on 20 October 2026. How the figures are worked out, and the data to download.

To cite this page: Nameling, “Theseus: name meaning, origin and popularity”, https://www.nameling.co.uk/names/theseus, updated 20 October 2026.