Meaning & origin
A reliable meaning for Theodoro isn’t established in our sources yet. Rather than guess, we show what is recorded: how the name is used, how often, and the names it’s connected to.
The story
Published U.S. birth records include this spelling as early as 1929. This is the earliest published observation available here, rather than a date for the name’s origin.
From dated birth records
Theodoro through the years
- Babies since 1880
- 309
- 309 boys · 0 girls
- Most popular year
- 2025
- 43 babies
- 2025
- 43
- #2,934 for boys
- 2021–25 vs 2016–20
- +170%
- Rising fast
Where it’s given
By the numbers
In 2025, this name appeared in 43 U.S. birth records for boys, ranking No. 2,934 among boys’ names. Average annual use for boys was 169.6% higher in 2021–2025 than in 2016–2020. In 2025, California had the largest reported state-level birth count for boys with this name (8). Published U.S. population figures for this spelling include 328 as a first name in 2020.
From Social Security birth records and U.S. Census name counts for this exact spelling. Other spellings are counted separately.
Theodoro’s family of names
In Portuguese usage, Theodoro has a related form in Teodoro.
Inner ring: nicknames and forms · outer: across languages.
Nicknames & forms 1
Diminutives, pet forms, short forms and variants used alongside the name.
Across languages 4
Equivalents and cognates in other languages, plus older forms it grew from.
People named Theodoro
Listed by how widely each person is written about, which says nothing about the name itself.
Similar names
If you love Theodoro, these share its style, era, origin or sound, from outside its own family.
Alessandro
“helper and defender of mankind”
>99% boys
Theodore
“God” · “gift”
>99% boys
Leandro
“lion” · “man”
>99% boys
Elio
Elio is a masculine given name from Ancient Greek. It is used in Spanish and Italian.
>99% boys
Theo
“God” · “gift”
99% boys · 1% girls
Emilio
“one who is eager; an industrious man”
>99% boys
Valentino
“one who is strong and healthy”
>99% boys
Thiago
“a courageous man”
>99% boys