MallowbyNames

Octavius

ok-TAY-vee-us · Eighth-born or eighth child.

2025 rank (boys)
#2,056
Babies named in 2025
72
Peak popularity
1991
2025 frequency
1 in 23,723 boys
Usually for
Boys
Trend
Rising since 2005

Rising since 2005, #2,056 for boys today.

Popularity of Octavius since 1911

Babies named Octavius per year in U.S. Social Security records.

4284126192019602000Most births 1991Boys
Data table (by decade)
DecadeBoys
1910s17
1920s24
1930s5
1940s6
1950s11
1960s78
1970s490
1980s684
1990s815
2000s520
2010s535
2020s502

Meaning & origin

Octavius is a Latin name meaning 'eighth,' a classic Roman family name that has never been common in the United States. It first appeared in U.S. records in 1911, but its highest rank was 1991, when it reached its peak. Since 2005, the name has been rising in use, reflecting a broader trend toward older, formal Roman names. In 2023, Octavius was given to about 1 in 23,723 boys, placing it at rank 2056. The states with the most usage include Pennsylvania, California, and Texas, indicating a spread across diverse regions. The name carries a sense of ancient dignity and numerical significance.

Octavius is a Latin family name derived from 'octavus,' meaning eighth. It was originally given to eighth-born children in Roman families. The name is historically associated with Gaius Octavius, who became Emperor Augustus, though Octavius itself is a distinct Roman nomen.

Where Octavius is most popular

Births per 100,000 boys by state, 2025. The lightest shade means too few recorded births.

Fewermore per 100k boystoo few births

Nicknames & variants

Nicknames: Oc, Tav, Tavi

Variants: Octavian, Octavio, Octave

Sibling names for Octavius

Names that share Octavius's style, for a brother or sister.

A parent animal hugging its little one, the personalized name page

O is for Octavius, our favorite little boy.

O is for Octavius…”

In a Mallowby alphabet book, Octavius's letter becomes Octavius's page: hand-illustrated, printed hardcover or paperback, made just for them.

Make Octavius's book

Books for siblings or grandkids? The second book is 15% off.

Questions parents ask

What does the name Octavius mean?
Octavius means 'eighth,' from the Latin 'octavus.' It was traditionally given to the eighth child.
How popular is the name Octavius?
Octavius ranked 2056th in 2023 (the most recent data), with 1 in 23,723 boys given the name. Its peak popularity was in 1991.
Is Octavius a boy or girl name?
Octavius is traditionally a masculine name, though its feminine form Octavia is common for girls.