Costache

steadfast — from Costin
Romanian origin · Boy name
97% boys3% girls
#1853US 2023
10Births / yr
Stable
Top 1.4%Percentile
How to pronounce Costache
kos-tah-ke
/kos-tah-ke/ · · 3 syllables
steadfast — from Costin
Romanian origin · Boy name

What does Costache mean and where does it come from?

Costache is a diminutive form of the name Costin, which is derived from the Latin name Constantinus, meaning 'steadfast' or 'constant'.

Cultural significance
Costache is a traditional Romanian name, often used in historical contexts and literature.
Peak popularity
Reached #1853 in 2015 — currently #1853 in the US.
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Related Reading
Romanian-origin baby names with timeless appeal
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How else can you spell Costache?

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

What middle names flow best with Costache?

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

Costache Jack
One syllable · timeless choice
Costache John
One syllable · timeless choice
Costache Miles
One syllable · vintage charm
Costache Brooks
One syllable · timeless choice
Costache Gael
One syllable · timeless choice
Costache Quinn
One syllable · timeless choice
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Middle Names
The best middle names for Costache
Browse ideas →

How popular is Costache right now?

Holding steady — currently #1853 in the US out of 135.5k tracked names

US Trend 20192023#1853 · Top 1.4%
2019
2020
2021
2022
2023
YearUS RankBirthsvs Prior Year
2023#185310stable
2022#185310stable
2021#185310stable
2020#185310stable
2019#185310
💎Costache 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 Costache?

BULGARIAN
Kosta
DUTCH
Stijn
GREEK
Gus
ROMANIAN
CostelCosticăCostinDinu

Famous people named Costache

CN
Costache Negruzzi
A Romanian writer and politician from the 19th century, known for his contributions to Romanian literature.
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Celebrity Names
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Common questions about the name Costache

What does the name Costache mean?
Costache means "steadfast — from Costin" — a name rooted in Romanian 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 Costache?
Costache 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 Costache?
Costache originates from Romanian tradition. Romanian 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 Costache?
Costache pairs beautifully with sibling names that share a similar Latin heritage or complement its melodic and flowing sound. Names with a similar vibe create a cohesive sibling set without matching too closely.
Is Costache more of a girl or boy name?
Costache is primarily used as a boy name, giving it a clear, timeless character while remaining accessible to modern families.