Januarius

January — from Janus — Associated with January
Latin origin · Boy name
97% boys3% girls
#1943US 2023
10Births / yr
Stable
Top 1.4%Percentile

What does Januarius mean and where does it come from?

Januarius derives from the Latin name Janus, the Roman god of beginnings and transitions, associated with January.

Cultural significance
The name is often given to boys born in January, reflecting the significance of new beginnings.
Peak popularity
Reached #1943 in 2015 — currently #1943 in the US.
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Related Reading
Latin-origin baby names with timeless appeal
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How else can you spell Januarius?

Same sound, different look — useful if you want something slightly more distinctive

What middle names flow best with Januarius?

Januarius works best with short, strong middle names — one or two syllables keep the full name from becoming a mouthful

Januarius Luke
One syllable · timeless choice
Januarius Miles
One syllable · vintage charm
Januarius Beau
One syllable · on the rise
Januarius Brooks
One syllable · timeless choice
Januarius Gael
One syllable · timeless choice
Januarius Kai
One syllable · vintage charm
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Middle Names
The best middle names for Januarius
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How popular is Januarius right now?

Holding steady — currently #1943 in the US out of 135.5k tracked names

US Trend 20192023#1943 · Top 1.4%
2019
2020
2021
2022
2023
YearUS RankBirthsvs Prior Year
2023#194310stable
2022#194310stable
2021#194310stable
2020#194310stable
2019#194310
💎Januarius is exceptionally rare — it does not appear in US Social Security records, meaning fewer than 5 babies per year have received this name.

What are good nicknames for Januarius?

ITALIAN
GennarinoRino

Famous people named Januarius

Jo
Januarius of Africa
A Christian martyr and saint from the 3rd century.
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Celebrity Names
What celebrities named their babies in 2025
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How is Januarius written in other languages?

Common questions about the name Januarius

What does the name Januarius mean?
Januarius means "January — from Janus" — a name rooted in Latin tradition that carries both historical depth and timeless appeal. The meaning reflects values that have made this name endure across generations.
How popular is the name Januarius?
Januarius is currently a distinctive and less common name as a baby name in the US and is holding steady in popularity, a reliable classic that parents consistently choose.
What is the cultural origin of Januarius?
Januarius originates from Latin tradition. Latin names tend to carry strong cultural heritage and have spread across the world through migration, literature, and religion over centuries.
What sibling names go well with Januarius?
Januarius pairs beautifully with sibling names that share a similar Hebrew heritage or complement its melodic and flowing sound. Names with a similar vibe create a cohesive sibling set without matching too closely.
Is Januarius more of a girl or boy name?
Januarius is primarily used as a boy name, giving it a clear, timeless character while remaining accessible to modern families.