What origin is the name Kastus?

Kastus comes from Slavic naming traditions. Names from this origin often carry meanings tied to nature, virtues or heritage.

What are good sister names for Kastus?

Names from the same slavic tradition pair naturally with Kastus — for example Mila, Nadia, Tatiana. You can browse more on our slavic names page.

How is Kastus written in its native script?

Kastus is written Кастусь.

Kastus

Discover the meaning and origin of the name Kastus

Kastus

Boy

Slavic

2 syllables

Kastus (Кастусь) is a Slavic boy's name meaning "Derived from Latin 'constans', meaning steadfast. A classic masculine name implying reliability and a constant character.".

With Slavic roots, Kastus is a boy name that means "Derived from Latin 'constans', meaning steadfast. A classic masculine name implying reliability and a constant character.". It has 2 syllables.

Native script: Кастусь
Origin: Slavic
Gender: Boy
Syllables: 2

Last updated 24 October 2026.

Meaning

Derived from Latin 'constans', meaning steadfast. A classic masculine name implying reliability and a constant character.

Popularity

No birth-record data (source: not in US birth records; popularity in India is not tracked)

Written as Кастусь

Quick answers about Kastus

What does Kastus mean?

Kastus is a boy name of Slavic origin meaning "Derived from Latin 'constans', meaning steadfast. A classic masculine name implying reliability and a constant character.".

How popular is Kastus?

We have no birth-record ranking for Kastus: it is not in US records, and India publishes no national name rankings. The meter above fills in as parents here view, search for and save the name.

Sister names that go with Kastus

Mila Nadia Tatiana Danica Anya Natasha

How to say Kastus

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Name numerology

1is the Chaldean number for Kastus.

Number 1 is linked with leadership, independence and new beginnings.

More names with number 1

Numerology is a cultural tradition for fun, not a prediction.

Compare Kastus with other names

Combine Kastus with another name

Our free name combiner blends two names into new baby name ideas.

Names with a similar meaning to Kastus

Kastus means "Derived from Latin 'constans', meaning steadfast. A classic masculine name implying reliability and a constant character." — these names share that spirit.

Emily — "Emily comes from the Roman family name Aemilius, probably from the Latin aemulus, meaning 'rival' or 'eager to excel'." (Latin)
Grace — "Grace comes from the English word grace, from the Latin gratia, meaning 'favour' or 'kindness'. Puritans used it as a virtue name." (Latin)
Julian — "Julian comes from the Latin Julianus, from Julius, a Roman family name possibly meaning 'youthful' or linked to Jupiter." (Latin)
Michael — "Michael comes from the Hebrew Mikha'el, a question meaning 'who is like God?'. It is the name of an archangel." (Hebrew)
Logan — "Logan is a Scottish surname from a place name, from the Gaelic lagan, meaning 'little hollow'." (Scottish)
Elizabeth — "Elizabeth comes from the Hebrew Elisheva, meaning 'my God is an oath'. It is the name of John the Baptist's mother." (Hebrew)
Evelyn — "Evelyn comes from an English surname derived from the Norman Aveline, possibly meaning 'wished-for child' or linked to 'hazelnut'." (English)
Oliver — "Oliver probably comes from the Latin oliva, 'olive tree', though it may also come from a Germanic or Norse name." (Latin)