Theo
Theo places #82 across the country in 2025, and more parents pick it every year. An old entry (1880) having its biggest moment now, with 35,830 American bearers across the record.
Theo’s free Name Kit
Five printables for Theo, drawn in your browser at print size the moment you ask: a name print for the wall, a nursery sign, a tracing sheet, a shortlist sheet, and twelve sibling names with the reason for each. Letter size, 300 dpi, in the site’s own hand.
- Name print Meaning, origin and the popularity curve on one sheet, ready for a frame.
- Nursery sign The name big and bright, for a door, a shelf or the top of a dresser.
- Tracing sheet The name in dotted letters, with room to go over it again and again.
- Shortlist sheet A page for weighing names side by side: initials, nicknames, how it sounds with yours.
- Sibling names sheet Twelve names that go with this one, each with the reason, from the sibling matcher.
Name print
Meaning, origin and the popularity curve on one sheet, ready for a frame.
Nursery sign
The name big and bright, for a door, a shelf or the top of a dresser.
Tracing sheet
The name in dotted letters, with room to go over it again and again.
Shortlist sheet
A page for weighing names side by side: initials, nicknames, how it sounds with yours.
Sibling names sheet
Twelve names that go with this one, each with the reason, from the sibling matcher.
Print on plain letter paper or heavier card; the sign and the print look best on matte stock.
Theo since 1880
Theo peaked in 2023 at #78; #82 in 2025.
United States national data, Social Security Administration, through 2025, how we use it.
Where Theo is most common
Theo is most common in Hawaii: 0.79% of the state's recorded boys' names in 2025. District of Columbia (0.55%) and Massachusetts (0.51%) follow.
Share of the state's recorded names for that sex, from the Social Security Administration's state file; a name is listed in a state only when five or more babies received it there that year.
Names that sit near Theo
Same shelf of the library: origin, era and shape, scored deterministically.
Gael
#86 in 2025
Kai
#93 in 2025
Quinn
#97 in 2025
Zoey
#69 in 2025
Brooks
#64 in 2025
Beau
#60 in 2025
Leah
#58 in 2025 · Hebrew
Thiago
#50 in 2025
Browse: names starting with T · all names
About Theo
Where does Theo rank right now?
Theo places #82 across the country in 2025, and more parents pick it every year. The full curve since 1880 is above, public federal data, redrawn, never estimated.
What is the recorded meaning of Theo?
No recorded meaning in the references we are allowed to cite, Theo keeps its mystery, and we keep our sourcing rule.
What names go with Theo?
Gael, Kai and Quinn sit nearest to Theo on origin, era, syllables and first letter. Put your own names into the sibling matcher for a list scored against them.
Get Theo’s free Name Kit
Five printables made in your browser: a name print for the wall, a nursery sign, a tracing sheet, a shortlist sheet and twelve sibling names with the reason for each. Yours in a moment, for one email.
Make the kitThe book is in the works
A printed picture book where Theo earns every letter of their own name, page by page. See the preview pages and hear when it is ready.
Preview the book