Baby Names US
boys' name ★ peaked 1921

Thelbert

Gender Boy Rank 2025 Below top lists
Rank 2025
–
among boys
Babies in 2025
<5
named Thelbert
How common
–
boys born in 2025
Peak year
1921
32 babies
All-time total
931
#5,368 all-time among boys
First recorded
1908
in Social Security records

Thelbert popularity over time

931 babies have been named Thelbert since 1908, 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
0.010.030.040.0518801900192019401960198020002020Peak 1913Boys

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 Boys Per year Change Best rank
1880s – – – –
1890s – – – –
1900s 10 1 – #1,571
1910s 153 15 +1430% #1,144
1920s 230 23 +50% #1,324
1930s 216 22 -6% #1,321
1940s 157 16 -27% #1,604
1950s 91 9 -42% #2,366
1960s 38 4 -58% #3,051
1970s 19 2 -50% #3,935
1980s 17 2 -11% #5,470
1990s – – – –
2000s – – – –
2010s – – – –
2020s (to 2025) – – – –

The story of Thelbert

Thelbert 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 1908, 931 American babies have been named Thelbert. Its peak came in 1921, when 32 newborns received the name, the signature sound of the 1920s.

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 Thelbert stood among all boys' names in any year, or use the compare tool to plot it against other names.

How old are people named Thelbert?

The median living Thelbert is about 75 years old; half are between 65 and 82. An estimated 300 people named Thelbert are alive in the United States today.

median 75 020406080100

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

Thelbert year by year

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

Year Boys Boys rank
2025 – –
2024 – –
2023 – –
2022 – –
2021 – –
2020 – –
2019 – –
2018 – –
2017 – –
2016 – –
2015 – –
2014 – –
2013 – –
2012 – –
2011 – –
2010 – –
2009 – –
2008 – –
2007 – –
2006 – –
2005 – –
2004 – –
2003 – –
2002 – –
2001 – –
2000 – –
1995 – –
1990 – –
1985 5 #7,489
1980 7 #5,470
1975 – –
1970 – –
1965 – –
1960 9 #3,051
1955 11 #2,539
1950 10 #2,566
1945 12 #2,120
1940 12 #2,171
1935 18 #1,704
1930 25 #1,492
1925 20 #1,793
1920 22 #1,688
1915 26 #1,338
1910 – –
1905 – –
1900 – –
1895 – –
1890 – –
1885 – –
1880 – –

Frequently asked questions

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

How old is the average Thelbert?

The median living Thelbert is about 75 years old. Half of all living Thelberts are between 65 and 82 years old.

How many people named Thelbert are alive today?

An estimated 300 people named Thelbert are alive in the United States, based on 931 recorded births and Social Security life tables.

How popular is the name Thelbert in 2025?

Thelbert 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 Thelbert?

931 babies have been named Thelbert in the United States since 1908, based on Social Security card applications.

When was the name Thelbert most popular?

Thelbert peaked in 1921, when 32 newborns received the name.

Is Thelbert a boy or girl name?

Thelbert is overwhelmingly a boy's name: 100% of babies with the name.

Is the name Thelbert rising or falling?

Thelbert has been roughly stable over the past decade.

Names like Thelbert

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

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