Baby Names US
girls' name ★ peaked 1991

Thy

Gender Girl Rank 2025 Below top lists
Rank 2025
–
among girls
Babies in 2025
<5
named Thy
How common
–
girls born in 2025
Peak year
1991
18 babies
All-time total
366
#14,271 all-time among girls
First recorded
1979
in Social Security records

Thy popularity over time

366 babies have been named Thy since 1979, according to official Social Security records. Switch measure to see births per year or the yearly rank.

Measure
Births per 1,000 babies of that sex, comparable across eras
00.010.010.0218801900192019401960198020002020Peak 1991Girls

By decade. Change compares yearly averages, so the current partial decade is on equal footing. Best rank is the name's best yearly rank within the decade.

Decade Girls Per year Change Best rank
1880s – – – –
1890s – – – –
1900s – – – –
1910s – – – –
1920s – – – –
1930s – – – –
1940s – – – –
1950s – – – –
1960s – – – –
1970s 5 1 – #11,838
1980s 106 11 +2020% #4,932
1990s 84 8 -21% #5,386
2000s 100 10 +19% #6,673
2010s 71 7 -29% #9,479
2020s (to 2025) – – – –

The story of Thy

Thy is not currently in use for newborns in the United States: fewer than five babies received the name in 2025. Its story lives in the historical record below.

Since 1979, 366 American babies have been named Thy. Its peak came in 1991, when 18 newborns received the name, the signature sound of the 1990s.

The chart above shows the full history: the popularity view (births per 1,000 babies) is the honest comparison across generations, since total US births have changed enormously since 1880. Switch to the rank view to see where Thy stood among all girls' names in any year, or use the compare tool to plot it against other names.

How old are people named Thy?

The median living Thy is about 28 years old; half are between 18 and 38. An estimated 400 people named Thy are alive in the United States today.

median 28 020406080100

Estimated from births per year and Social Security period life tables; an approximation of the living age distribution, by age in years.

Thy year by year

Every year since 2001, and five-year steps back to 1880. Rank is within each sex.

Year Girls Girls rank
2025 – –
2024 – –
2023 – –
2022 – –
2021 – –
2020 – –
2019 – –
2018 5 #17,918
2017 – –
2016 11 #10,058
2015 5 #18,878
2014 12 #9,479
2013 12 #9,570
2012 11 #10,372
2011 6 #16,601
2010 9 #12,190
2009 7 #15,111
2008 12 #10,031
2007 11 #10,768
2006 12 #9,863
2005 13 #8,840
2004 9 #11,544
2003 11 #9,631
2002 17 #6,673
2001 – –
2000 8 #11,715
1995 7 #11,691
1990 9 #9,186
1985 14 #5,329
1980 8 #8,115
1975 – –
1970 – –
1965 – –
1960 – –
1955 – –
1950 – –
1945 – –
1940 – –
1935 – –
1930 – –
1925 – –
1920 – –
1915 – –
1910 – –
1905 – –
1900 – –
1895 – –
1890 – –
1885 – –
1880 – –

Frequently asked questions

Quick answers about Thy, drawn from the same Social Security data as the charts above.

How old is the average Thy?

The median living Thy is about 28 years old. Half of all living Thys are between 18 and 38 years old.

How many people named Thy are alive today?

An estimated 400 people named Thy are alive in the United States, based on 366 recorded births and Social Security life tables.

How popular is the name Thy in 2025?

Thy did not appear in the 2025 Social Security data, which means fewer than five babies received the name that year.

How many people are named Thy?

366 babies have been named Thy in the United States since 1979, based on Social Security card applications.

When was the name Thy most popular?

Thy peaked in 1991, when 18 newborns received the name.

Is Thy a boy or girl name?

Thy is overwhelmingly a girl's name: 100% of babies with the name.

Is the name Thy rising or falling?

Thy is declining, less popular now than a decade ago.

Names like Thy

Names that sound and feel close to Thy: shared sounds, similar era, similar popularity. Each links to its full history.

Compare Thy with similar names → More names starting with T →