MallowbyNames

Thyra

THY-ruh · Of uncertain origin; possibly from Old Norse Þýri or a variant of Tyra, often associated with the name of a Norse goddess or simply a feminine form of Thor.

2025 rank (girls)
#10,917
Babies named in 2025
8
Peak popularity
1904
2025 frequency
1 in 200,908 girls
Usually for
Girls
Trend
Rising since 2015

A 1900s favorite, climbing again.

Popularity of Thyra since 1896

Babies named Thyra per year in U.S. Social Security records. Raw births topped out in 1918, but relative to how few babies were recorded back then, Thyra's real moment was 1904.

102030192019602000Most births 1918Girls
Data table (by decade)
DecadeGirls
1890s17
1900s128
1910s206
1920s190
1930s130
1940s172
1950s139
1960s107
1970s64
1980s45
1990s34
2000s12
2010s12
2020s64

Meaning & origin

Thyra is a rare Scandinavian name with uncertain but intriguing roots. While its exact etymology remains debated, it is most commonly linked to the Old Norse element Þórr (Thor), giving it a subtle connection to Norse mythology. The name first appeared in U.S. records in 1896 and peaked in 1904. After a long period of low usage, it has been rising again since 2015, reflecting a broader revival of vintage Scandinavian names. Although it has never ranked among top state favorites, its uniqueness and gentle sound make it a distinctive choice for parents seeking a name with northern European heritage.

Thyra is a Scandinavian name of debated origin. It may derive from Old Norse Þýri, perhaps related to Þórr (Thor), the thunder god, or from a word meaning 'the helpful one'. Another theory links it to the Old English name Týr, a Germanic god. The name appears in early Danish history as the wife of King Gorm the Old. It became popular in the 19th century and has seen modest revival in the 21st century.

Nicknames & variants

Nicknames: Ty

Variants: Tyra, Thira, Thyrie

Sibling names for Thyra

Names that share Thyra's style, for a brother or sister.

A parent animal hugging its little one, the personalized name page

T is for Thyra, our favorite little girl.

T is for Thyra…”

In a Mallowby alphabet book, Thyra's letter becomes Thyra's page: hand-illustrated, printed hardcover or paperback, made just for them.

Make Thyra's book

Books for siblings or grandkids? The second book is 15% off.

Questions parents ask

What does the name Thyra mean?
The exact meaning of Thyra is uncertain. It is thought to be a Scandinavian name possibly derived from the Norse god Thor or from the Old Norse word for 'helpful one', though its origin remains debated.
How popular is the name Thyra currently?
Thyra is a rare name in the United States. In 2025, it ranked 10,917th in popularity, with roughly 1 in 200,908 newborns given the name.
Is Thyra a girl's name?
Yes, Thyra is almost exclusively used as a feminine name.