Given name
Theodorus
“God”·“gift”·“gift of God”
Theodorus is a variant of Theodore. Theodore combines “God” and “gift,” giving the meaning “gift of God.”
Meaning & origin
What it means
Theodorus is a variant of Theodore. Theodore combines “God” and “gift,” giving the meaning “gift of God.”
Explained through its name family
Where it comes from
Theodorus is a variant of Theodore. Theodore reached English through French from the Greek name Theodoros.
Explained through its name family
How it developed
Theodorus is a variant of Theodore. The shared background comes through Theodore: Theodore’s Greek elements are theos, meaning “god,” and doron, meaning “gift.” French forms provided the route into English.
Explained through its name family
The story
Published U.S. birth records include this spelling as early as 2020. This is the earliest published observation available here, rather than a date for the name’s origin. Theodorus is a variant of Theodore. The history of Theodore gives this family its wider story. Theodore was popular among early Christians and was borne by several saints. That religious history helps explain the name’s spread into different European forms.
Combines direct and name-family evidence
Theodorus through the years
- Babies since 1880
- 35
- 35 boys · 0 girls
- Most popular year
- 2024
- 14 babies
- 2025
- 5
- #13,689 for boys
- 2021–25 vs 2016–20
- +100%
- Rising fast
By the numbers
In 2025, this name appeared in 5 U.S. birth records for boys, ranking No. 13,689 among boys’ names. The recent annual counts are too incomplete to establish a ten-year comparison. Published U.S. population figures for this spelling include 165 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.
Theodorus’s family of names
Theodorus has a related form in Theodore. In Latin usage, Theodorus has a conventional equivalent in the Portuguese form Teodoro. In Dutch usage, Theodorus has a conventional equivalent in the French form Théodore.
Inner ring: nicknames and forms · outer: across languages.
Around the world
Theodorus has relatives in 5 languages.
6 related names in 5 languages. Point at a dot, or tab to the map and use the arrow keys.
Nicknames & forms 2
Diminutives, pet forms, short forms and variants used alongside the name.
Across languages 18
Equivalents and cognates in other languages, plus older forms it grew from.
People named Theodorus
- Theo van GoghDutch art dealer (1857-1891), brother of painter Vincent van Gogh
- Theo JansenDutch artist (born 1948)
- Antipope Theodorepresbyter and priest, antipope c. 687
- Theo HeemskerkDutch politician (1852-1932)
- Theodorus Frederik van CapellenDutch admiral1762–1824
- Mental TheoDutch record producer and DJborn 1965
- Theodorus BaileyAmerican politician (1758-1828)
- Theodore of OctodurumSwiss Christian bishop400–400
- Theodorus Janssonius van AlmeloveenDutch classical scholar (1657-1712)
Listed by how widely each person is written about, which says nothing about the name itself.
Similar names
If you love Theodorus, these share its style, era, origin or sound, from outside its own family.