28 Baby Girl & Boy Names That Mean Fourth

Numbers often have stories hidden behind them, and the number four is no exception. When I started exploring this theme, I discovered names linked to fourth-born children, the fourth month, and traditions that celebrate the number four. That history is what first sparked my interest.

I enjoy names that carry a clear and memorable meaning. Names associated with the number four often symbolize stability, balance, order, and a special place within a family. Their meanings may be simple, but they can feel deeply personal.

If I were searching for a name inspired by numbers, birth order, or family tradition, this theme would be worth exploring. Below, you will find 28 baby girl and boy names that mean fourth, along with their origins, meanings, and the stories behind them.

Key Takeaways

Fourth-inspired names are among the rarest numerical baby names.
Many come from Latin, Greek, and Roman naming traditions.
These names can honor birth order or family heritage.
Several options work well for modern families seeking unique names.

Boy Names That Mean Fourth

Quartus

Origin: Latin
Meaning: Fourth
Description: The most famous and direct name meaning fourth, appearing in early Christian history.

Quarto

Origin: Latin
Meaning: Fourth
Description: A rare variation derived from the Latin word for fourth.

Quartino

Origin: Italian
Meaning: Fourth
Description: An uncommon Italian form connected to fourth-born traditions.

Quartinus

Origin: Latin
Meaning: Fourth
Description: An ancient Roman family name derived from Quartus.

Quartilius

Origin: Latin
Meaning: Fourth
Description: A rare Roman-era name associated with the number four.

Quartellus

Origin: Latin
Meaning: Fourth
Description: An unusual historical derivative of Quartus.

Quartian

Origin: Latin
Meaning: Fourth
Description: A modernized variation suitable for contemporary use.

Quartianus

Origin: Latin
Meaning: Fourth
Description: A longer Roman-style form linked to fourth-born descendants.

Girl Names That Mean Fourth

Quarta

Origin: Latin
Meaning: Fourth
Description: The feminine counterpart to Quartus.

Quartia

Origin: Latin
Meaning: Fourth
Description: A graceful Roman feminine variation.

Quartina

Origin: Latin
Meaning: Fourth
Description: Traditionally associated with a fourth-born daughter.

Quartilla

Origin: Latin
Meaning: Fourth
Description: A rare feminine name found in Roman naming records.

Quartilia

Origin: Latin
Meaning: Fourth
Description: An elegant variation with classical roots.

Quartiana

Origin: Latin
Meaning: Fourth
Description: A sophisticated feminine adaptation.

Quartella

Origin: Latin
Meaning: Fourth
Description: A distinctive and uncommon choice.

Quartinia

Origin: Latin
Meaning: Fourth
Description: A rare name inspired by Roman numbering traditions.

Unisex Names That Mean Fourth

Quart

Origin: Latin
Meaning: Fourth
Description: A short modern adaptation inspired by Quartus.

Quarten

Origin: Latin
Meaning: Fourth
Description: A contemporary unisex variation.

Quartenay

Origin: Latin
Meaning: Fourth
Description: A modern creation based on the fourth-number root.

Quartel

Origin: Latin
Meaning: Fourth
Description: Compact and distinctive.

Quartis

Origin: Latin
Meaning: Fourth
Description: A modernized variation suitable for any gender.

Japanese Names That Mean Fourth

Traditional Japanese given names rarely carry the exact meaning “fourth” as a standalone meaning.

Shiro

Origin: Japanese
Meaning: Fourth son
Description: Traditionally given to a family’s fourth son.

Shirou

Origin: Japanese
Meaning: Fourth son
Description: A classic variation of Shiro.

Shirōta

Origin: Japanese
Meaning: Fourth son
Description: An extended traditional form associated with birth order.

Chinese Names That Mean Fourth

Traditional Chinese personal names generally do not use “fourth” as a direct name meaning.

Si

Origin: Chinese
Meaning: Four, fourth
Description: Derived from the Chinese numeral associated with four.

Sih

Origin: Chinese
Meaning: Fourth
Description: A rare transliterated form linked to the number four.

Unique Names That Mean Fourth Generation

Quartus Jr.

Origin: Latin
Meaning: Fourth generation
Description: Traditionally used in lineage-based naming systems.

Quarton

Origin: Latin
Meaning: Fourth descendant
Description: A rare hereditary-style variation.

Quartrell

Origin: Latin
Meaning: Fourth generation
Description: A modern adaptation inspired by lineage traditions.

Quartrey

Origin: Latin
Meaning: Fourth in the family line
Description: A unique contemporary option.

Quarten IV

Origin: Latin
Meaning: Fourth generation
Description: Inspired by generational naming customs.

Why Are Fourth Names So Rare?

Most cultures favored names connected to religion, virtues, or family ancestry rather than birth order. As a result, only a small number of names developed with meanings tied directly to fourth-born children or the number four.

FAQs

What is the most famous name meaning fourth?

Quartus is the best-known and most historically documented example.

Were fourth names common in ancient Rome?

Yes, some Roman families used number-based names to indicate birth order.

Can girls use names meaning fourth?

Yes, names such as Quarta and Quartina were created specifically for girls.

Are fourth-generation names still used today?

They are rare but continue in some family naming traditions.

Do fourth names always refer to birth order?

Not always. Some may refer to family lineage or generational succession.

Which fourth name sounds most modern?

Quartian and Quartis have a contemporary feel.

Are numerical names becoming popular again?

Some parents are rediscovering ancient number-inspired names for their uniqueness.

Conclusion

Names meaning fourth are exceptionally rare, making them an intriguing choice for parents who want something meaningful and distinctive. From the classic Roman name Quartus to unique modern adaptations like Quartian and Quartis, these names celebrate birth order, family heritage, and the enduring symbolism of the number four.