Girl Names that Start with Th – 8 Beautiful Ideas

published on 30 November 2025

Choosing a name for your daughter is an important decision. If you're looking for names that begin with "Th", here are eight options to consider. These names offer a mix of history, mythology, and elegance:

  • Thalia: Greek origin meaning "to flourish", tied to the Muse of comedy and poetry in mythology.
  • Theodora: Greek for "gift of God", a vintage name with modern nickname options like Thea or Dora.
  • Thea: Short and sweet, meaning "goddess" in Greek, with international popularity.
  • Thaleia: A variation of Thalia, symbolizing joy and creativity, inspired by Greek mythology.
  • Thora: Scandinavian for "thunder", linked to Norse mythology and the god Thor.
  • Thirza: A Dutch form of the biblical name Tirzah, meaning "favorable."
  • Thomasina: Feminine form of Thomas, meaning "twin", offering nicknames like Tamsin or Tommie.
  • Theresa: Linked to themes of harvest and summer, with variations like Tessa gaining modern appeal.

These names combine rich meanings and timeless charm, making them wonderful choices for your baby girl. Whether inspired by mythology, biblical roots, or vintage trends, each name carries a unique story.

1. Thalia

Meaning and Origin

The name Thalia comes from Greek roots and translates to "to flourish". It’s also a variation of Talia. Choosing this name ties your daughter to a rich linguistic tradition that highlights growth and prosperity.

Mythological Connections

Thalia carries a fascinating link to Greek mythology. She was one of the nine Muses, specifically the Muse of comedy and pastoral poetry. Known for bringing joy and laughter, Thalia’s role among the Muses signifies inspiration in the arts and sciences. Naming your child Thalia connects her to a figure celebrated for spreading happiness - a timeless and meaningful connection.

Contemporary Charm

Today, Thalia strikes a balance between uniqueness and familiarity. Ranked #642 in 2022, it’s not overly common but still easy to pronounce and spell. Its uplifting meaning, "to flourish", resonates with parents who want a name that inspires positivity and growth for their child. Thalia feels modern yet timeless, making it a thoughtful choice.

2. Theodora

Meaning and Origin

Theodora means "gift of God". This name comes from Greek origins and is the feminine counterpart to Theodore. It’s built from the words theos (God) and doron (gift), giving it a sense of grace and significance.

Historical Significance

Theodora has a deep historical background. Names from the same family, like Dorothea and Dorothy, were especially popular in the early 20th century. Dorothy, for instance, was a Top Ten name from 1904 to 1939. This long-standing popularity highlights the timeless nature of these names, making Theodora a meaningful choice that bridges past and present.

Modern Appeal

In 2022, Theodora ranked #694 in the US Top 1000. It’s gaining traction as a "vintage favorite", appealing to parents who love classic names with a contemporary twist. With Theodore rising in popularity for boys and Thea becoming a trendy nickname, Theodora offers a versatile option. It’s perfect for those who want a name that feels both distinctive and elegant, with plenty of nickname possibilities to suit any personality.

3. Thea

Meaning and Origin

The name Thea translates to "goddess" in Greek. While short and simple, it carries a sense of divine importance. Originally a diminutive of Theodora - which means "God's gift" - Thea has expanded its reach far beyond its Greek roots, becoming a beloved name in English, German, and Scandinavian-speaking regions.

Cultural Significance

Thea's divine origins give it a rich cultural depth that goes beyond its meaning. With its historical roots, the name exudes a vintage charm. Its longer form, Theodora, enjoyed popularity in the United States about a century ago, lending Thea a timeless elegance. At the same time, its shorter, more modern form aligns perfectly with today’s preference for concise names like Leah and Mia. Thea has also gained recognition through pop culture, appearing in the superhero TV series Arrow and being linked to well-known figures like actress Téa Leoni.

Modern Appeal

Thea strikes a balance between tradition and modern trends, contributing to its rising popularity. In recent years, its appeal has grown steadily. By 2022, Thea ranked #300 in the United States, and back in 2018, it held the top spot among Th‑names for girls at #273, with a usage rate of 0.0647%. Its popularity mirrors that of the classic name Theodore, making it a charming choice for families looking to coordinate sibling names. Beyond the U.S., Thea enjoys international acclaim, ranking in the Top 100 in England and Wales. Its French variant, Théa, has also secured a place in France's Top 100.

4. Thaleia

Meaning and Origin

Thaleia comes from Greek and translates to "joyous muse of comedy", while also symbolizing growth and prosperity. Though it shares similarities with the name Thalia, Thaleia introduces a fresh variation on a timeless classic. In ancient Greek culture, names often reflected virtues or divine qualities that parents wished to pass on to their children. With its deep roots, Thaleia carries a special connection to this tradition.

Cultural Significance

The unique spelling of Thaleia strengthens its ties to the muse of comedy, distinguishing it from the more widely recognized Thalia. This connection to mythology gives the name an added layer of meaning, making it an appealing choice for families who value humor and artistic expression. The Muses were celebrated as sources of divine inspiration, and naming a child Thaleia creates a link to this rich legacy of creativity and joy.

Modern Appeal

While Thalia ranked #642 in the U.S. Top 1000 in 2022, Thaleia remains off the charts, making it a distinctive option. Its rarity fits perfectly with the growing trend of choosing unique girl names that start with "Th." With its lyrical sound and uplifting associations, Thaleia captures a sense of individuality, joy, and artistic spirit.

5. Thora

Meaning and Origin

Thora is a Scandinavian name that translates to "thunder." It’s the feminine counterpart to Thor, the legendary Norse god of thunder.

Historical and Mythological Roots

With its origins steeped in Norse mythology, Thora carries a sense of history and power. It’s a name that evokes strength while connecting to a rich cultural past.

Modern-Day Charm

Thora blends its mythological foundation with a contemporary vibe. Its soft, lyrical quality resonates with popular names like Cora, Nora, and Aurora, while standing out for its bold and storied background.

6. Thirza

Meaning and Origin

Thirza is the Dutch variation of the Old Testament name Tirzah. In Hebrew, Tirzah means "favorable", giving Thirza a timeless and meaningful foundation.

Cultural Significance

Thirza’s journey from Tirzah highlights how names evolve across cultures. While staying true to its biblical roots, the adaptation to Thirza introduces a European touch that blends tradition with a modern twist.

Modern Appeal

Thirza is a rare gem in the world of baby names today. Back in 1928, names starting with "Th" reached their peak, accounting for 1.039% of names, but by 2018, that number had dipped to just 0.084%. Its rarity, combined with its easy pronunciation, makes Thirza a standout option for parents looking for something distinctive yet approachable.

7. Thomasina

Meaning and Origin

Thomasina is the feminine version of the classic name Thomas, which means "twin". Its roots trace back to the Aramaic word "Toma" and the Greek term Didymos, both carrying the same meaning. This connection to ancient languages gives Thomasina a sense of depth and tradition.

While it shares familiarity with Thomas, Thomasina manages to stand apart with its own charm. For parents drawn to traditional yet distinctive names, Thomasina offers a perfect balance of elegance and substance. A more casual option, Tamsin, serves as a modern twist while keeping the original meaning intact.

Cultural Significance

The name Thomasina had its moment in the spotlight during the 1960s with Disney's live-action film The Three Lives of Thomasina, where it was the name of a beloved cat. For those who grew up with classic Disney, this reference adds a nostalgic and whimsical layer to the name's appeal. Its rarity in the U.S. further enhances its charm, making it a standout choice for parents who want something a little out of the ordinary.

This combination of historical roots and cultural nostalgia makes Thomasina a name that feels both timeless and unique.

Modern Appeal

In a world of short, trendy names, Thomasina sets itself apart as a rare and sophisticated option. With its four syllables, it carries a formal elegance, while offering approachable nicknames like Tommie or Sina for more casual use.

For parents looking to honor tradition without following fleeting naming trends, Thomasina strikes the perfect balance. It combines the strength and familiarity of its masculine counterpart with a refined, feminine touch. Its rarity ensures individuality, yet it’s simple to pronounce and spell - making it as practical as it is distinctive.

8. Theresa

Meaning and Origin

Theresa, the English version of Teresa, has roots that stretch back to ancient times. It’s tied to the Greek island of Thera and is often associated with themes of harvest and summer. The name also has an older form, Therasia, which reflects its deep historical significance. These connections to nature and the seasons give Theresa a timeless charm that continues to resonate with many parents.

Cultural Significance

Theresa carries a strong cultural legacy. Its French variation, Therese, is famously linked to a Catholic saint, adding a layer of religious and historical importance. This association has helped solidify the name’s place in Western traditions. Additionally, its meanings - connected to the ideas of "harvest" and "summer" - enhance its lasting appeal.

Modern Appeal

Despite its rich history, Theresa feels like a hidden gem in today’s naming trends. While the classic spelling Theresa didn’t make it into the U.S. Top 1,000 names in 2022, its variant Teresa holds the #871 spot. On Nameberry, Theresa ranks as the 22nd most popular girl name starting with T, and it’s the 5th most popular girl name beginning with "th" on BabyCenter. The nickname Tessa, however, enjoys modern popularity, ranking as the 4th most popular girl name starting with T on Nameberry. For parents drawn to vintage names with depth and elegance, Theresa offers a perfect balance of tradition and understated sophistication. Its meaningful origins and enduring charm make it a thoughtful choice for any family.

Conclusion

Choosing a name is a deeply personal and meaningful decision. The eight names discussed here each carry their own unique heritage and charm, drawing from mythology, history, and tradition. Take Thora, for example - rooted in Norse mythology, it connects to Thor, the god of thunder, and offers a strong tie to Scandinavian heritage.

Beyond mythological roots, some names hold rich spiritual and historical significance. Thirza and Theresa are perfect examples. Thirza originates from the Old Testament, meaning "favorable" or "delight", while Theresa honors an influential Catholic saint and conveys themes of "harvest" and "summer". These names beautifully blend faith traditions with natural symbolism, making them meaningful choices for parents who value religious or spiritual heritage.

For those drawn to classical elegance, names like Theodora and its shorter form, Thea, offer a timeless yet modern appeal. Meanwhile, Thomasina, the rare feminine form of Thomas, carries not only biblical significance but also a touch of literary charm.

When deciding on a name, consider what resonates most with your family’s heritage and values. Understanding the origins and meanings behind these names can help you choose one that aligns with your personal beliefs or traditions. These names embody virtues such as courage, wisdom, joy, and growth - qualities that may reflect the aspirations you hold for your daughter. Whether you wish to honor Greek, Hebrew, Norse, or other ancestral roots, traditional names can beautifully preserve family customs while remaining meaningful and relevant.

Ultimately, the right name is one that reflects your values and inspires your daughter throughout her life. Whether you’re captivated by the mythological grandeur of Thalia, the spiritual depth of Theresa, or the modern simplicity of Thea, each of these names represents a harmonious blend of tradition, meaning, and contemporary appeal. They are more than just names - they are stories, virtues, and legacies waiting to be passed on.

FAQs

What are some trendy nicknames for the name Theodora?

Trendy nicknames for Theodora include Theo, Thea, and Dora. Each brings its own charm, blending a modern feel with a touch of tradition. If you’re drawn to a sleek and contemporary vibe, Theo fits the bill. For something elegant yet approachable, Thea is a lovely pick. And for those who appreciate a classic touch, Dora remains a timeless favorite. These nicknames offer plenty of personality, catering to a variety of preferences.

What is the connection between the name Thora and Norse mythology?

The name Thora originates from Norse mythology and translates to "thunder goddess." It shares a strong connection with Thor, the mighty Norse god of thunder, who represents power and protection. With its deep mythological roots and enduring charm, Thora is a thoughtful choice for parents looking for a name steeped in history and meaning.

What is the cultural significance of the name Thirza beyond its biblical origins?

The name Thirza carries a rich history that extends beyond its biblical beginnings, finding a special place in Dutch culture as a popular given name. Derived from the Hebrew name Tirzah, it translates to "delight" or "pleasantness", giving it a warm and positive connotation.

In recent years, Thirza has gained recognition as a unique choice for parents who value a name that combines historical significance with a touch of contemporary elegance, making it a heartfelt option across various communities.

Related Blog Posts

Read more