Januário

January — from Janus — Associated with the Roman god Janus
Portuguese origin · Boy name
97% boys3% girls
#1957US 2023
10Births / yr
Stable
Top 1.4%Percentile

What does Januário mean and where does it come from?

Januário is derived from the Latin name 'Januarius', which is associated with the Roman god Janus, symbolizing beginnings.

Cultural significance
In Portuguese-speaking cultures, Januário is often given to boys born in January, reflecting the month's association with new beginnings.
Peak popularity
Reached #1957 in 2015 — currently #1957 in the US.
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Related Reading
Portuguese-origin baby names with timeless appeal
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What middle names flow best with Januário?

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

Januário Miles
One syllable · vintage charm
Januário Brooks
One syllable · timeless choice
Januário Gael
One syllable · timeless choice
Januário Quinn
One syllable · timeless choice
Januário Myles
One syllable · timeless choice
Januário Dean
One syllable · on the rise
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Middle Names
The best middle names for Januário
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How popular is Januário right now?

Holding steady — currently #1957 in the US out of 135.5k tracked names

US Trend 20192023#1957 · Top 1.4%
2019
2020
2021
2022
2023
YearUS RankBirthsvs Prior Year
2023#195710stable
2022#195710stable
2021#195710stable
2020#195710stable
2019#195710
💎Januário 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 Januário?

Common
JanJanieJanyUário

Famous people named Januário

Jd
Januário de Oliveira
A Brazilian politician known for his work in local governance.
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Celebrity Names
What celebrities named their babies in 2025
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Common questions about the name Januário

What does the name Januário mean?
Januário means "January — from Janus" — a name rooted in Portuguese 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 Januário?
Januário 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 Januário?
Januário originates from Portuguese tradition. Portuguese 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 Januário?
Januário 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 Januário more of a girl or boy name?
Januário is primarily used as a boy name, giving it a clear, timeless character while remaining accessible to modern families.