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Home › Baby Names Directory › Inacio

Inacio

♂ Boy

Pronounced ee-NAH-syoo /iˈnɑː.sju/Medium

Meaning: Inacio (Portuguese Inacio, with a cedilla in Portugal and Brazil) is the Portuguese form of Ignatius, from the Roman family name Egnatius, later linked by folk etymology to Latin ignis, 'fire.' It carries the fame of Saint Ignatius of Loyola.Medium

In 30 seconds: Inacio is the Portuguese Ignatius (said 'ee-NAH-syoo') — a saint's name long read as 'fiery,' warm and classic in Portugal and Brazil.
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Origin MediumPortuguese, Latin
MeaningInacio (Portuguese Inacio, with a cedilla in Portugal and Brazil) is the Portuguese form of Ignatius, from the Roman family name Egnatius, later linked by folk etymology to Latin ignis, 'fire.' It carries the fame of Saint Ignatius of Loyola.
U.S. rank (2024)#12970 ↘ Falling
2024 U.S. births5 boys (0.00% of U.S. boys)
Peak year2005
Total births (all-time)≈ 22

Popularity in the U.S. · SSA data

peak 200519292024

U.S. births per year (Social Security Administration, 1880–present). Pink marker = peak year.

SSA data updated May 2026. How we source & verify this data.

History & Origin

Inacio — written Inácio in Portugal and Brazil — is the Portuguese form of Ignatius, from the Roman name Egnatius and later read as 'fiery' from Latin ignis. Saint Ignatius of Loyola, founder of the Jesuits, carried the name across the Portuguese-speaking world (said 'ee-NAH-syoo').

In the U.S. it is rare, used chiefly by Portuguese and Brazilian families. Rare, saintly, and richly traditional.

Did you know? Ignatius was tied to Latin ignis, 'fire,' by later readers — the name's real root is the Roman family name Egnatius. Inacio is its Portuguese form, carried by Saint Ignatius of Loyola (said 'ee-NAH-syoo').
Overall data confidence 58%
References — Inacio — Portuguese form of Ignatius; Egnatius/ignis

Variations

IgnacioIgnatiusInigo

Nicknames

NachoNace

Famous Bearers

  • Famous bearers coming soon.

If you like Inacio…

Ignacio— the Spanish twin of the same name
Ignatius— the Latin original behind it
Inigo— a like Iberian classic with the same root
Joaquin— a like warm Iberian saint's name

Explore names like Inacio

By themeheritageclassicsaintportuguese
By meaningFire

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Frequently Asked

What does the name Inacio mean?

Inacio is the Portuguese form of Ignatius, from Roman Egnatius and traditionally read as 'fiery' from Latin ignis.

How do you pronounce Inacio?

It's said ee-NAH-syoo /iˈnɑː.sju/ — three syllables, stress on the second.

Is Inacio a boy or girl name?

Inacio is a boy's name.

How popular is Inacio?

Inacio is rare in the U.S., though the Ignacio and Ignatius forms are better known.

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