Jacek

/JH-AA-K-EH-K/

Boy Christian Polish origin PolishEuropean

Hyacinth, in Polish form — Jacek (Polish, from Greek Hyakinthos via Latin) is the popular Polish form of the saint-name Hyacinth. It honours Jacek of Poland, a Dominican friar credited with carrying his order across Eastern Europe and venerated as the Apostle of the North in Polish, Czech and Slovak Catholicism.

See Jacek scored for your family

Meaning & origin

Jacek is a boy's name of Polish origin, traditionally used in Christian families. The name means "Hyacinth, in Polish form — Jacek (Polish, from Greek Hyakinthos via Latin) is the popular Polish form of the saint-name Hyacinth. It honours Jacek of Poland, a Dominican friar credited with carrying his order across Eastern Europe and venerated as the Apostle of the North in Polish, Czech and Slovak Catholicism." and belongs to the Divine cluster — names rooted in sacred meaning and spiritual tradition.

Common among Polish, European families, Jacek carries cultural weight that goes beyond its dictionary definition — it's a name with a story and a community.

Numerology of Jacek

Numerology assigns each name a single-digit destiny number by summing its letter values. Different schools use different mappings — NameRoot computes both so you can see how Jacek resonates in either tradition.

Pythagorean
3
creativity and joyful expression
Chaldean
3
creativity and joyful expression

How Jacek sounds

NameRoot scores the phonetic fit of every name against the sound of your last name. The pronunciation of Jacek breaks down into 5 phonemes: /JH-AA-K-EH-K/. In the app, you'll see how those sounds flow with your family name across rhythm, stress, and consonant clusters.

Nicknames

Common affectionate forms of Jacek — useful for everyday family conversation, early childhood, or as standalone given names themselves.

Jacus

The six signals, applied to Jacek

NameRoot scores every name across six independent dimensions. Here's how Jacek maps to each — install the app to see the full compatibility score for your specific family.

01 — Birth Star
Nakshatra match
Enter your baby's birth date in the app and we'll compute the nakshatra compatibility score.
02 — Numerology
Destiny alignment
Pythagorean and Chaldean life-path calculations (destiny 3) matched against your family's own numerology profile.
03 — Phonetics
Last-name fit
Rhythm, stress, and consonant clusters measured with IPA to see how Jacek flows with your family name.
04 — Meaning
Divine
Jacek belongs to the Divine cluster — names rooted in sacred meaning and spiritual tradition.
05 — Cultural & Tradition
Christian
As a Christian name, Jacek carries religious and cultural weight scored against your family's heritage — plus grandparent-name matches, saint's-day alignment, and generational naming patterns scored against your family tree.
06 — Uniqueness
Popularity balance
How common Jacek is today versus historically — finding the sweet spot between familiar and forgotten.

Names similar to Jacek

If Jacek resonates with you, these names live in the same world — drawn from the same tradition, sharing the same meaning, or echoing a similar sound.

From the same tradition

Other Christian boy names, common in Polish families

Liam
Irish diminutive of William (Uilliam), from Germanic 'wil' (will) + 'helm' (helmet). Global phenomenon.
Noah
Rest, comfort, repose, from Hebrew Noach, linked to the root meaning to rest or bring relief. Borne in scripture by the builder of the ark who outlasted the flood, it has stayed in continuous Western use and now sits among the most-given boys' names worldwide.
Oliver
From Latin olivarius (olive tree cultivator) or from the Frankish Olivier.
George
Farmer, earth worker — the patron saint of England, the name of six kings, and Prince George of Cambridge. England's defining name.

Sharing the same meaning

Other Christian boy names from the Divine cluster

Elijah
My God is Yahweh, the fiery prophet who rode a chariot to heaven — Elijah challenged the prophets of Baal on Mount Carmel, called fire from the sky, and was taken up to heaven in a whirlwind without dying. His name burns with the absolute devotion of a man who stood alone against an entire kingdom's apostasy and won, armed with nothing but conviction and the fire of the one true God
Theodore
Gift of God, heaven's offering to the mortal world — Theodore reverses the syllables of Dorothy to create the same meaning from a masculine angle: God gives. Multiple saints and two American presidents carried this name, and it speaks of gratitude for the divine generosity that places children into families, talents into hands, and purpose into hearts that were waiting to be filled
Jack
God is gracious, by way of Jankin, a medieval English pet form of John (from Hebrew Yohanan, 'Yahweh is gracious'). Once a familiar nickname, it long ago outgrew that role to stand on its own and has repeatedly topped boys' name charts across Britain.

Names that sound similar

Christian boy names that open with the same syllables as Jacek

John
God is gracious, from Hebrew Yohanan, 'Yahweh is gracious,' the name of both the Baptist and the beloved apostle of the gospels. Among the most attested names of the New Testament, it became one of the foundational Christian names, carried by saints and ordinary believers across the world.
Joël
Yahweh is God, the French form of Joel, from Hebrew Yo'el, a name that fuses two names of God into a single confession of faith. Borne by an Old Testament prophet, it carries a strong devotional charge in its smooth French form.
Jochen
God will establish, a German short form of Joachim, from Hebrew Yehoyaqim, joining the divine name with a root meaning to raise up or set firm. Worn as an easy, everyday name across Germany, it carries quiet assurance, the promise of a life founded and steadied by God.

Common questions about Jacek

What does the name Jacek mean?

Jacek means "Hyacinth, in Polish form — Jacek (Polish, from Greek Hyakinthos via Latin) is the popular Polish form of the saint-name Hyacinth. It honours Jacek of Poland, a Dominican friar credited with carrying his order across Eastern Europe and venerated as the Apostle of the North in Polish, Czech and Slovak Catholicism.." It is a boy name of Polish origin, traditionally used in Christian families.

Is Jacek a boy or girl name?

Jacek is most commonly used as a boy name.

What is the origin of the name Jacek?

Jacek is of Polish origin, used in Christian tradition, commonly among Polish, European families.

What are common nicknames for Jacek?

Common short forms of Jacek include Jacus.

What is the numerology of Jacek?

Jacek has a Pythagorean destiny number of 3 — creativity and joyful expression.

See how Jacek scores for your family

NameRoot is the only baby-name app that scores every name across 6 signals against your specific family context. Download free — Jacek is waiting.

Get NameRoot — free