Given name & surname
Octavius
“the eighth-born child”
Octavius is a variant of Octavio. One Latin interpretation is “the eighth-born child.”
Original LatinOctavia
Meaning & origin
What it means
Octavius is a variant of Octavio. One Latin interpretation is “the eighth-born child.”
Explained through its name family
Where it comes from
An origin associated with this spelling is Latin.
The story
Published U.S. birth records include this spelling as early as 1911. This is the earliest published observation available here, rather than a date for the name’s origin.
From dated birth records
Octavius through the years
- Babies since 1880
- 3,702
- 3,687 boys · 15 girls
- Most popular year
- 1991
- 126 babies
- 2025
- 72
- #2,073 for boys
- 2021–25 vs 2016–20
- +25%
- Rising
Where it’s given
By the numbers
In 2025, this name appeared in 72 U.S. birth records for boys, ranking No. 2,073 among boys’ names. Average annual use for boys was 24.9% higher in 2021–2025 than in 2016–2020. Its largest published annual count for boys was 126 in 1991. In 2025, California had the largest reported state-level birth count for boys with this name (7). Published U.S. population figures for this spelling include 2,161 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.
Octavius’s family of names
Octavius has a feminine form in Octavia. Octavius has a related form in Octavio. In English usage, Octavius has a conventional equivalent in the Spanish form Octavio.
Inner ring: nicknames and forms · outer: across languages.
Around the world
Octavius has relatives in 14 languages. Lines run from its Latin roots to each of them.
Latinwhere Octavius comes from · 1 name
Nicknames & forms 1
Diminutives, pet forms, short forms and variants used alongside the name.
Across languages 15
Equivalents and cognates in other languages, plus older forms it grew from.
See also 1
Names our sources mention alongside this one. They are related in story or meaning, not forms of this name.
People named Octavius
- Prince Octavius of Great BritainBritish prince1779–1783
- Octavius Pickard-CambridgeBritish entomologist (1828–1917)
- Octavius EllisAmerican basketball player (born 1993)
- Octavius CattoAmerican activist (1839–1871)
- Octavius FrothinghamAmerican clergyman and writer (1822–1895)
- Octavius WinslowEnglish theologian (1808–1878)
Listed by how widely each person is written about, which says nothing about the name itself.
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