Costas — Meaning, Origin & Everything to Know

Costas means 'constant, steadfast' — a Greek name from Greek.

Costas is a Greek name whose meaning — 'constant, steadfast' — gives it a quiet depth beyond its sound. As a son's name, Costas suggests resilience, power and steadfastness and travels comfortably across languages. Part of the draw of Costas is that it feels current without being invented, and meaningful without being heavy. Rooted in Greek, Costas suits parents who want a name that feels distinctive yet easy to wear. Within the Greek world, Costas sits in a tradition where names are steeped in mythology, philosophy and early Christianity, often carrying vivid, image-rich meanings. This guide covers Costas's meaning, origin and pronunciation, its popularity and personality associations, its numerology, and ideas for nicknames, siblings and middle names.

Quick facts about the name Costas
NameCostas
MeaningAt its core, Costas carries the meaning 'constant, steadfast', rooted in Greek
OriginGreek
LanguageGreek
GenderBoy
Numerology number5
PronunciationCOS-tas
Popularity tierTier 3

What Does the Name Costas Mean?

At its core, Costas carries the meaning 'constant, steadfast', rooted in Greek.

Costas grew up inside the Greek tradition, where a name was meant to carry blessing and identity, not just sound. Costas survived centuries of use precisely because 'constant, steadfast' stayed legible — the meaning never drifted far.

Today Costas reads as approachable and contemporary, even though its meaning of 'constant, steadfast' is anything but new. The result is a name in Costas that feels both usable and meaningful — its appeal in the 2010s in a nutshell.

Costas carries connotations of resilience, power and steadfastness; the Greek background gives that symbolism somewhere to stand.

Origin & Etymology of Costas

Greek · Greek

Trace Costas back and you reach Greek and the meaning 'constant, steadfast'. In the Greek tradition names are steeped in mythology, philosophy and early Christianity, often carrying vivid, image-rich meanings, and Costas fits squarely into that pattern. Costas spread outward with migration, recognised now well beyond its Greek origin and worn across very different cultures. The story of Costas is less one famous moment than steady, continuous use — handed down because it sounds good and means something worth keeping. Today Costas sits where heritage meets everyday wearability — the balance many modern parents are chasing.

Costas holds a meaningful place in the Greek tradition, its sense of resilience, power and steadfastness tied to long-standing cultural values. Costas has travelled well, picked up by communities far from its roots without friction. You'll meet spelling and pronunciation variants of Costas in different regions, but the core meaning of 'constant, steadfast' tends to survive the journey. That rooted-yet-portable quality is much of why Costas is chosen by parents from such varied backgrounds.

How to Pronounce Costas

COS-tasBreak Costas into COS-tas and it falls into place. From Greek roots: vowels are open and clearly sounded.

Popularity of the Name Costas

In terms of usage, Costas has held a steady place, most associated with the 2010s. Rather than spiking on a single viral moment, Costas built its following gradually — usually a sign of lasting appeal. Popularity figures for Costas here are based on historical naming-pattern data, updated periodically rather than in real time.

Personality Traits Associated with Costas

Ask around and Costas is usually described as grounded and strong. Those impressions trace back partly to 'constant, steadfast' and partly to how Costas sits in the mouth. In the traditions that link names to temperament, Costas lands on the side of resilience, power and steadfastness. A name is only a starting impression, and Costas's happens to be a kindly one — a quiet plus that frames the numerology and zodiac notes below.

Costas Numerology

The name Costas carries the numerology number 5.

Run Costas through Pythagorean numerology and it settles on 5 — the Free Spirit — adventure and change. Tradition holds that a 5 shapes someone's natural motivations and way of relating to others. Paired with Costas's sense of 'constant, steadfast', that 5 gives numerology-minded parents extra to consider. For how the number 5 shapes Costas's personality, strengths and life path, read the full guide to 5 at NumberAngel.

See the full meaning of number 5 on NumberAngel →

Costas & Zodiac Connection

Costas sits naturally alongside determined Capricorn and bold Aries, signs whose temperament matches its mood. Birth month and sign add a dimension many parents enjoy weighing next to Costas's meaning. Curious how a baby named Costas might pair with their actual star sign? The full sign profiles are at GetMyHoro.

Curious what your baby's zodiac sign reveals? Explore GetMyHoro →

Names Similar to Costas

Sibling Names That Go With Costas

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Middle Names for Costas

Costas James · Costas Michael · Costas Ray · Costas Reed · Costas Hugh · Costas Daniel

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Frequently Asked Questions

+What does the name Costas mean?

Costas means 'constant, steadfast'. It comes from Greek and is linked with resilience, power and steadfastness, which makes it a meaningful choice for a son.

+What is the origin of Costas?

Costas is Greek in origin, from Greek. In that tradition names are steeped in mythology, philosophy and early Christianity, often carrying vivid, image-rich meanings. It has since spread well beyond its roots while keeping the meaning 'constant, steadfast'.

+What is the numerology number for Costas?

In Pythagorean numerology Costas reduces to 5 — the Free Spirit — adventure and change. The full meaning of this number is explored at NumberAngel.

+Is Costas a popular name?

Costas has stayed steadily popular, with its strongest momentum in the 2010s.

+Is Costas suitable for any gender?

Costas is most often used as a boy's name, though naming is personal and the meaning 'constant, steadfast' suits any child.

+What are good nicknames for Costas?

Costas is short and friendly as it stands, so it is often used in full — though affectionate forms naturally appear at home.

+What names pair well with Costas for a sibling?

Names such as Konstantin, Nikos, Stelios sit well beside Costas, sharing a complementary style. Our sibling name generator suggests more.