Jacir

♂ Boy

Pronounced jah-SEER /dʒɑˈsir/Medium

Meaning: A modern name, variously a Brazilian/Tupi name (Jacira/Jaci, 'the moon') and an echo of Arabic Yasir; routes uncertainLow

In 30 seconds: A modern name; a Jaci ('moon')/Yasir echo: Jacir. Crisp, modern, and warm (said 'jah-SEER').

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Origin LowAmerican, Portuguese

MeaningA modern name, variously a Brazilian/Tupi name (Jacira/Jaci, 'the moon') and an echo of Arabic Yasir; routes uncertain

U.S. rank (2025)#11202 ↘ Falling

2025 U.S. births6 boys (0.00% of U.S. boys)

Peak year2024

Total births (all-time)≈ 57

Popularity in the U.S. · SSA data

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

Jacir is a modern name, variously a Brazilian/Tupi name (linked to Jaci, 'the moon') and an echo of Arabic Yasir (routes uncertain, which we flag honestly). A crisp, modern name (said 'jah-SEER').

In the U.S. it appears thinly. Rare, a-recent-name, and modern.

Did you know? Jacir is a modern name, variously a Brazilian/Tupi name (linked to Jaci, 'the moon') and an echo of Arabic Yasir — a crisp, modern name (the routes are uncertain, which we note; said 'jah-SEER').

Overall data confidence 32%

U.S. Social Security Administration name files — routes uncertain

Variations

JaciraYasirJacyr

Nicknames

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Famous Bearers

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If you like Jacir…

Yasir— a name it echoes

Jaci— the Tupi 'moon' it links to

Jair— a sound-neighbor Ja- boys' name

Nasir— a fellow -sir boys' name

Explore names like Jacir

By themeuncertain coinage american portuguese tupi

By meaningMoon

All themes →All meanings →All origins →

Frequently Asked

What does the name Jacir mean?

Jacir is a modern name, variously a Brazilian/Tupi name (Jaci, 'moon') and an echo of Yasir; the routes are uncertain, so we flag it.

How do you pronounce Jacir?

It's said jah-SEER /dʒɑˈsir/ — two syllables, stress on the second.

Is Jacir a boy or girl name?

Jacir is a boy's name.

How popular is Jacir?

Jacir is a very rare name in the U.S.