Boys' name · since 1908

Thelbert

931 babies named Thelbert in U.S. Social Security records since 1908, with the highest year being 1921. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

#5,372 of 45,481
all-time among boys
931
born since 1908
1920s
peak decade

Thelbert is not among the current top-ranked boys names; 931 have been recorded since 1908.

According to the U.S. Social Security Administration, Thelbert has been recorded 931 times among boys since 1908, though it is not among the currently most-used boys names, with its heaviest use in the 1920s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 1908 to 1985.

  • #5,372 of 45,481 all-time among boys
  • 931 born since 1908
  • 1920s peak decade

Data updated Aug 2026

The verdict

According to the U.S. Social Security Administration, Thelbert ranks #5,372 of 45,481 boys' names by all-time recorded births (highest first). 931 born since 1908, peaking in the 1920s.

#5,372 of 45,481
all-time among boys
931
born since 1908
1920s
peak decade
Above the archive median
All-time archive position

Thelbert's 931 recorded births place it above 88.18% of the 45,481 boys names in the full SSA archive.

5 jurisdictions
State-record footprint

The state file records this name in 5 jurisdictions, led by North Carolina.

Thelbert's usage pattern, beyond the headline number

Splitting Thelbert's full recorded timeline at 1939, 37% of its total births fall in the more recent half of the record versus 63% in the earlier half -- the name was more prevalent in its earlier era than it is today. Its quietest year on record was 1908, with just 5 recorded births -- worth weighing against the 1921 peak of 32 to see the full range of the name's swing in popularity.

Thelbert popularity over time

Annual U.S. births registered with the Social Security Administration · 1908–1985

Last recorded 1985
Peak year (1921)
32
Annual births at peak, across 78 years of records
010203040 190819171925193319411949195819721985 5

Thelbert by decade

1920s is the heaviest window (230 births, 25% of the file).

1920s was Thelbert's strongest decade.

230 babies received the name during that ten-year window, about 25% of all-time use.

Thelbert births by decade

Total births in each ten-year window

births

What this shows Peak: 1920s at 230 births (25% of all-time use).

Source U.S. Social Security Administration · Baby Names As of August 2026

How Thelbert compares to similarly-sized names

Years in SSA records vs. share of all-time use concentrated in the single peak year, among 15 boys names closest to Thelbert's total volume

Thelbert vs 15 similarly-sized boys names Scatter plot of 16 data points. 2%4%6%8%10% 050100150 New & already peakedOld name, single-era peakNew & still diversifyingLong history, steady all along Years in SSA records % of total births in the single peak year -25, 7.8%-46, 6.9%-37, 7.2%-70, 4.8%-55, 3.7%-39, 7.2%-116, 2.7%-40, 7.3%-43, 7.3%-128, 2.5%-114, 2.8%-42, 7.1%-43, 4%-43, 6%-73, 3.1%Thelbert-78, 3.4%Thelbert
Thelbert vs 15 similarly-sized boys names

Thelbert by state

Where Thelbert concentrates geographically, total births since 1908

Geographically diffuse
Top 5 states by recorded births for the name Thelbert
Rank State Visual share Births Share of total
#1 North Carolina
63 6.8%
#2 Texas
22 2.4%
#3 Virginia
6 0.6%
#4 Kentucky
5 0.5%
#5 Tennessee
5 0.5%
North Carolina share of Thelbert's total US births 6.8%
Even split

63 of 931 births nationwide. Compared to a flat distribution across 5 reporting states.

Frequently Asked Questions

How popular is the name Thelbert?
931 babies have been named Thelbert since 1908. All-time, it sits at #5,372 of 45,481 boys' names by recorded births. It was last recorded in 1985. The peak year was 1921 with 32 births.
Where does Thelbert sit in the SSA name archive?
According to the U.S. Social Security Administration, Thelbert ranks #5,372 of 45,481 boys' names by all-time recorded births (highest first). All-time ordinal matches browse popularity (total births DESC); the current ordinal uses the null SSA file. See /methodology#corpus-placement.
When was Thelbert most popular?
Thelbert was most popular in the 1920s decade with 230 total births. The single peak year was 1921.
Where is Thelbert most popular?
The top states for the name Thelbert are North Carolina (63 births), Texas (22 births), Virginia (6 births).
How long has the name Thelbert been used?
Records for Thelbert go back to 1908, giving 78 years of history through 1985.
What names are similar to Thelbert?
Names with a similar sound or spelling include Theodore, Theo, Theron, Theadore, and 4 more. These share a common prefix and are also used for boys.

What to do with Thelbert's data

  • Thelbert's decade-level peak was the 1920s (230 total births); usage has since declined to 17 in the 1980s -- if you're weighing a "classic revival" angle, the trend line argues against it.
  • North Carolina records the most Thelberts (63 births) -- see the full state breakdown if geography matters to your decision. North Carolina names

Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.

Keep exploring Thelbert

Nearby Names Like Thelbert

Names with a similar sound, spelling, or feel to Thelbert

Names with a similar number of total births

Nationwide names with similar peak year or record span

Two nationwide peer axes for Thelbert: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.

Peak year is the single SSA year with the most births for that name; record span is first-to-latest year in the national files, not a recommendation or shared origin claim.

Data Sources

Data as of August 2026. Source: U.S. Social Security Administration (SSA).

According to the Social Security Administration, this profile draws directly from the agency's public-use baby-name files (updated June 2026). See our methodology for the full extraction, aggregation, and privacy-suppression rules.

Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications, National Data, 1908–1985 (ssa.gov/oact/babynames).

State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).

Name Almanac is rendered directly from the Social Security Administration's public baby-name files, no number is typed in by an editor. This profile for Thelbert draws directly on SSA national and state-level files, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of August 2026.