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2025 data, released 8 May 2026

Thalia

Thalia was the 648th most popular name for girls in 2025, given to 446 babies. Its best year was 1993, when it ranked 363rd with 700 babies. Over the last ten years it has moved up 150 places. More babies were named Thalia in the 2000s than in any other decade.

Meaning to flourish (Greek Muse of comedy) · Greek

Say it THAY-lee-uh /ˈθeɪliə/

Rank in 2025
#648 girls, up 154 places since 2020
Babies in 2025
446girls
Girls and boys
Almost always a girl’s name2021–2025
Peak year
1993700 babies
Total since 1880
16,264babies recorded

What does the name Thalia mean?

Thalia is a Greek name, Thaleia or Thalia, from the verb thallō, to flourish or bloom. In Greek myth Thalia is the Muse of comedy and idyllic poetry, and also one of the three Graces. Wiktionary notes that the comedy mask is sometimes called Thalia after her. The asteroid 23 Thalia also bears her name. The name has been used in the US since the 1880s.

θάλλω (Ancient Greek, “to flourish, bloom”)

How sure is this? Well established.

Related names: Thalía, Talia, Thaleia.

See also: Greek names.

Sources for this meaning

Thalia popularity since 1880

02505007501k 1900192019401960198020002020
Girls Babies per year, US, from Social Security records. Years with fewer than 5 babies show as zero.
YearRank (girls)Babies (girls)
2025#648446
2020#802338
2010#947272
2000#630398
1990#1,129154
1980#2,59437
1970#2,34933
1960#1,14691
1950#1,79129
1940#1,78821
1930#1,65524
1920#1,70125
1910#1,41412
1900——
1890——
1880——

How popular is Thalia, counting every spelling?

Thalia is the most common spelling of a name family that ranked #646 for girls in 2025 once every spelling is counted together, compared with #648 for Thalia on its own. Together these spellings went to 446 girls in 2025.

SpellingBabies 2025Official rankBabies 2021–2025
Thalia446#6482,278

Spellings count together when they sound the same in American English and are used for the same sex; nicknames and forms that sound different (such as Theo and Theodore) are kept apart. How we group spellings.

How many kids will share the name Thalia?

446 of the 3,606,400 babies born in the US in 2025 were named Thalia (0.12 per 1,000 births). For a girl named Thalia born in 2025, the chance that another child with the same name is in a class of 20 children the same age is under 1 in 50. If every grade liked the name as much as the 2025 babies do, only about one elementary school in 19 (of 430 pupils) would have a child named Thalia.

Chance of another Thalia in a class of 20under 1 in 50US, born 2025
Most likely inNevadaunder 1 in 50 (2024)

Shares of all registered births (NCHS); classes assumed to be children born the same year. How we estimate this.

How old are people named Thalia?

About 15,100 people born in the US named Thalia are alive today, with a median age of 22; half are between 10 and 31. That makes Thalia mostly worn by children and young adults.

0–910–1920–2930–3940–4950–5960–6970–7980–8990+
Estimated people alive in the US with the name, by age, mid-2026. The darker bar holds the median age.

Babies given the name each year (SSA) times the share of that birth year still alive (SSA life tables). Counts people born in the US only. Method.

Thalia by state

How common Thalia was among girls born in each state in 2021–2025. It is notably more common than nationally in Nevada (2.5×), Colorado (2.0×), Arizona (1.9×), California (1.6×), Oregon (1.6×). It is least common, relative to the national rate, in Louisiana, Oklahoma, Alabama.

Alaska: fewer than 5 a yearAK–Maine: fewer than 5 a yearME–Wisconsin: 0.22 per 1,000 babiesWI0.22Vermont: fewer than 5 a yearVT–New Hampshire: fewer than 5 a yearNH–Washington: 0.44 per 1,000 babiesWA0.44Idaho: 0.33 per 1,000 babiesID0.33Montana: fewer than 5 a yearMT–North Dakota: fewer than 5 a yearND–Minnesota: 0.14 per 1,000 babiesMN0.14Illinois: 0.44 per 1,000 babiesIL0.44Michigan: 0.28 per 1,000 babiesMI0.28New York: 0.24 per 1,000 babiesNY0.24Massachusetts: 0.38 per 1,000 babiesMA0.38Oregon: 0.46 per 1,000 babiesOR0.46Nevada: 0.71 per 1,000 babiesNV0.71Wyoming: fewer than 5 a yearWY–South Dakota: fewer than 5 a yearSD–Iowa: 0.19 per 1,000 babiesIA0.19Indiana: 0.28 per 1,000 babiesIN0.28Ohio: 0.22 per 1,000 babiesOH0.22Pennsylvania: 0.23 per 1,000 babiesPA0.23New Jersey: 0.24 per 1,000 babiesNJ0.24Connecticut: 0.22 per 1,000 babiesCT0.22Rhode Island: 0.40 per 1,000 babiesRI0.40California: 0.46 per 1,000 babiesCA0.46Utah: 0.24 per 1,000 babiesUT0.24Colorado: 0.56 per 1,000 babiesCO0.56Nebraska: 0.17 per 1,000 babiesNE0.17Missouri: 0.43 per 1,000 babiesMO0.43Kentucky: 0.14 per 1,000 babiesKY0.14West Virginia: fewer than 5 a yearWV–Virginia: 0.32 per 1,000 babiesVA0.32Maryland: 0.36 per 1,000 babiesMD0.36Delaware: fewer than 5 a yearDE–Arizona: 0.54 per 1,000 babiesAZ0.54New Mexico: fewer than 5 a yearNM–Kansas: 0.29 per 1,000 babiesKS0.29Arkansas: fewer than 5 a yearAR–Tennessee: 0.27 per 1,000 babiesTN0.27North Carolina: 0.20 per 1,000 babiesNC0.20South Carolina: 0.18 per 1,000 babiesSC0.18District of Columbia: fewer than 5 a yearDC–Oklahoma: 0.07 per 1,000 babiesOK0.07Louisiana: 0.06 per 1,000 babiesLA0.06Mississippi: fewer than 5 a yearMS–Alabama: 0.07 per 1,000 babiesAL0.07Georgia: 0.18 per 1,000 babiesGA0.18Hawaii: 0.44 per 1,000 babiesHI0.44Texas: 0.34 per 1,000 babiesTX0.34Florida: 0.39 per 1,000 babiesFL0.39
Babies per 1,000 of the same sex, Thalia, girls, 2021–2025. Darker means more common.

Names with a similar history

These names rose and fell in step with Thalia: their share of US girls followed the most similar curve since 1880. If you like Thalia, they share its era and feel.

Middle names for Thalia · Sibling names for Thalia

Questions about the name Thalia

What does Thalia mean?

Thalia means “to flourish (Greek Muse of comedy)” (Greek origin). Certainty: well established.

How popular is the name Thalia?

Thalia was the 648th most popular name for girls in 2025, given to 446 babies. Its best year was 1993, when it ranked 363rd with 700 babies. Over the last ten years it has moved up 150 places. More babies were named Thalia in the 2000s than in any other decade.

Is Thalia a boy or girl name?

In 2021–2025, almost always a girl’s name given the name Thalia in the US.

Where is Thalia most popular?

In 2021–2025, Thalia was most common in Nevada (0.71 per 1,000 girls), followed by Colorado and Arizona.